diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d81e34..c54b53d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@
 
 - Gutenberg has changed name to REPLACE_ME!
 - The `pagers` variable of Paginator objects has been removed
+- `section.subsections` is now an array of paths to be used with the `get_section`
+Tera function
 
 ### Others
 - Update dependencies, fixing a few bugs with templates
@@ -25,6 +27,8 @@
 - RSS feed now takes all available articles by default instead of limiting to 10000
 - `templates` directory is now optional
 - Add Reason and F# syntax highlighting
+- Add `parent_section` to pages and section pointing to the relative path of the parent
+section if there is one to be used with the `get_section` Tera function
 
 ## 0.4.2 (2018-09-03)
 
diff --git a/components/library/src/content/page.rs b/components/library/src/content/page.rs
index 085c2fd..a462d5b 100644
--- a/components/library/src/content/page.rs
+++ b/components/library/src/content/page.rs
@@ -4,7 +4,7 @@ use std::path::{Path, PathBuf};
 
 use tera::{Tera, Context as TeraContext, Value, Map};
 use slug::slugify;
-use slotmap::{Key, DenseSlotMap};
+use slotmap::{Key};
 
 use errors::{Result, ResultExt};
 use config::Config;
@@ -23,6 +23,7 @@ pub struct SerializingPage<'a> {
     content: &'a str,
     permalink: &'a str,
     slug: &'a str,
+    parent_section: Option<String>,
     title: &'a Option<String>,
     description: &'a Option<String>,
     date: &'a Option<String>,
@@ -47,7 +48,7 @@ pub struct SerializingPage<'a> {
 
 impl<'a> SerializingPage<'a> {
     /// Grabs all the data from a page, including sibling pages
-    pub fn from_page(page: &'a Page, pages: &'a DenseSlotMap<Page>) -> Self {
+    pub fn from_page(page: &'a Page, library: &'a Library) -> Self {
         let mut year = None;
         let mut month = None;
         let mut day = None;
@@ -56,12 +57,15 @@ impl<'a> SerializingPage<'a> {
             month = Some(d.1);
             day = Some(d.2);
         }
+        let pages = library.pages();
         let lighter = page.lighter.map(|k| Box::new(SerializingPage::from_page_basic(pages.get(k).unwrap())));
         let heavier = page.heavier.map(|k| Box::new(SerializingPage::from_page_basic(pages.get(k).unwrap())));
         let earlier = page.earlier.map(|k| Box::new(SerializingPage::from_page_basic(pages.get(k).unwrap())));
         let later = page.later.map(|k| Box::new(SerializingPage::from_page_basic(pages.get(k).unwrap())));
+        let parent_section = page.parent_section.map(|k| library.get_section_by_key(k).file.relative.clone());
 
         SerializingPage {
+            parent_section,
             content: &page.content,
             permalink: &page.permalink,
             slug: &page.slug,
@@ -100,6 +104,7 @@ impl<'a> SerializingPage<'a> {
         }
 
         SerializingPage {
+            parent_section: None,
             content: &page.content,
             permalink: &page.permalink,
             slug: &page.slug,
@@ -133,6 +138,8 @@ pub struct Page {
     pub file: FileInfo,
     /// The front matter meta-data
     pub meta: PageFrontMatter,
+    /// The parent section if there is one
+    pub parent_section: Option<Key>,
     /// The actual content of the page, in markdown
     pub raw_content: String,
     /// All the non-md files we found next to the .md file
@@ -177,6 +184,7 @@ impl Page {
         Page {
             file: FileInfo::new_page(file_path),
             meta,
+            parent_section: None,
             raw_content: "".to_string(),
             assets: vec![],
             content: "".to_string(),
@@ -320,7 +328,7 @@ impl Page {
         context.insert("config", config);
         context.insert("current_url", &self.permalink);
         context.insert("current_path", &self.path);
-        context.insert("page", &self.to_serialized(library.pages()));
+        context.insert("page", &self.to_serialized(library));
 
         render_template(&tpl_name, tera, &context, &config.theme)
             .chain_err(|| format!("Failed to render page '{}'", self.file.path.display()))
@@ -335,8 +343,8 @@ impl Page {
             .collect()
     }
 
-    pub fn to_serialized<'a>(&'a self, pages: &'a DenseSlotMap<Page>) -> SerializingPage<'a> {
-        SerializingPage::from_page(self, pages)
+    pub fn to_serialized<'a>(&'a self, library: &'a Library) -> SerializingPage<'a> {
+        SerializingPage::from_page(self, library)
     }
 
     pub fn to_serialized_basic(&self) -> SerializingPage {
@@ -349,6 +357,7 @@ impl Default for Page {
         Page {
             file: FileInfo::default(),
             meta: PageFrontMatter::default(),
+            parent_section: None,
             raw_content: "".to_string(),
             assets: vec![],
             content: "".to_string(),
diff --git a/components/library/src/content/section.rs b/components/library/src/content/section.rs
index 7910422..e8335a4 100644
--- a/components/library/src/content/section.rs
+++ b/components/library/src/content/section.rs
@@ -21,6 +21,7 @@ use library::Library;
 pub struct SerializingSection<'a> {
     content: &'a str,
     permalink: &'a str,
+    parent_section: Option<String>,
     title: &'a Option<String>,
     description: &'a Option<String>,
     extra: &'a HashMap<String, Value>,
@@ -31,7 +32,7 @@ pub struct SerializingSection<'a> {
     toc: &'a [Header],
     assets: Vec<String>,
     pages: Vec<SerializingPage<'a>>,
-    subsections: Vec<SerializingSection<'a>>,
+    subsections: Vec<&'a str>,
 }
 
 impl<'a> SerializingSection<'a> {
@@ -40,14 +41,17 @@ impl<'a> SerializingSection<'a> {
         let mut subsections = Vec::with_capacity(section.subsections.len());
 
         for k in &section.pages {
-            pages.push(library.get_page_by_key(*k).to_serialized(library.pages()));
+            pages.push(library.get_page_by_key(*k).to_serialized(library));
         }
 
         for k in &section.subsections {
-            subsections.push(library.get_section_by_key(*k).to_serialized(library));
+            subsections.push(library.get_section_path_by_key(*k));
         }
 
+        let parent_section = section.parent_section.map(|k| library.get_section_by_key(k).file.relative.clone());
+
         SerializingSection {
+            parent_section,
             content: &section.content,
             permalink: &section.permalink,
             title: &section.meta.title,
@@ -67,6 +71,7 @@ impl<'a> SerializingSection<'a> {
     /// Same as from_section but doesn't fetch pages and sections
     pub fn from_section_basic(section: &'a Section) -> Self {
         SerializingSection {
+            parent_section: None,
             content: &section.content,
             permalink: &section.permalink,
             title: &section.meta.title,
@@ -106,6 +111,8 @@ pub struct Section {
     pub pages: Vec<Key>,
     /// All pages that cannot be sorted in this section
     pub ignored_pages: Vec<Key>,
+    /// The relative path of the parent section if there is one
+    pub parent_section: Option<Key>,
     /// All direct subsections
     pub subsections: Vec<Key>,
     /// Toc made from the headers of the markdown file
@@ -124,6 +131,7 @@ impl Section {
         Section {
             file: FileInfo::new_section(file_path),
             meta,
+            parent_section: None,
             path: "".to_string(),
             components: vec![],
             permalink: "".to_string(),
@@ -262,6 +270,7 @@ impl Default for Section {
         Section {
             file: FileInfo::default(),
             meta: SectionFrontMatter::default(),
+            parent_section: None,
             path: "".to_string(),
             components: vec![],
             permalink: "".to_string(),
diff --git a/components/library/src/library.rs b/components/library/src/library.rs
index 8c45f1d..c10dd64 100644
--- a/components/library/src/library.rs
+++ b/components/library/src/library.rs
@@ -81,7 +81,7 @@ impl Library {
     /// Find out the direct subsections of each subsection if there are some
     /// as well as the pages for each section
     pub fn populate_sections(&mut self) {
-        let mut grandparent_paths: HashMap<PathBuf, Vec<PathBuf>> = HashMap::new();
+        let mut grandparent_paths: HashMap<PathBuf, Vec<_>> = HashMap::new();
 
         for section in self.sections.values_mut() {
             if let Some(ref grand_parent) = section.file.grand_parent {
@@ -99,6 +99,7 @@ impl Library {
             let parent_section_path = page.file.parent.join("_index.md");
             if let Some(section_key) = self.paths_to_sections.get(&parent_section_path) {
                 self.sections.get_mut(*section_key).unwrap().pages.push(key);
+                page.parent_section = Some(*section_key);
             }
         }
 
@@ -109,14 +110,22 @@ impl Library {
         for (key, section) in &self.sections {
             sections_weight.insert(key, section.meta.weight);
         }
-        for section in self.sections.values_mut() {
-            if let Some(paths) = grandparent_paths.get(&section.file.parent) {
-                section.subsections = paths
-                    .iter()
-                    .map(|p| sections[p])
-                    .collect::<Vec<_>>();
-                section.subsections
-                    .sort_by(|a, b| sections_weight[a].cmp(&sections_weight[b]));
+
+        for (grandparent, children) in &grandparent_paths {
+            let mut subsections = vec![];
+            let grandparent_path = grandparent.join("_index.md");
+
+            if let Some(ref mut section) = self.get_section_mut(&grandparent_path) {
+                subsections = children.iter().map(|p| sections[p]).collect();
+                subsections.sort_by(|a, b| sections_weight[a].cmp(&sections_weight[b]));
+                section.subsections = subsections.clone();
+            }
+
+            // Only there for subsections so we must have a parent section
+            for key in &subsections {
+                if let Some(ref mut subsection) = self.sections.get_mut(*key) {
+                    subsection.parent_section = Some(sections[&grandparent_path]);
+                }
             }
         }
     }
@@ -219,6 +228,11 @@ impl Library {
         None
     }
 
+    /// Only used in tests
+    pub fn get_section_key(&self, path: &PathBuf) -> Option<&Key> {
+        self.paths_to_sections.get(path)
+    }
+
     pub fn get_section(&self, path: &PathBuf) -> Option<&Section> {
         self.sections.get(self.paths_to_sections.get(path).cloned().unwrap_or_default())
     }
@@ -231,6 +245,14 @@ impl Library {
         self.sections.get(key).unwrap()
     }
 
+    pub fn get_section_mut_by_key(&mut self, key: Key) -> &mut Section {
+        self.sections.get_mut(key).unwrap()
+    }
+
+    pub fn get_section_path_by_key(&self, key: Key) -> &str {
+        &self.get_section_by_key(key).file.relative
+    }
+
     pub fn get_page(&self, path: &PathBuf) -> Option<&Page> {
         self.pages.get(self.paths_to_pages.get(path).cloned().unwrap_or_default())
     }
@@ -241,7 +263,6 @@ impl Library {
 
     pub fn remove_section(&mut self, path: &PathBuf) -> Option<Section> {
         if let Some(k) = self.paths_to_sections.remove(path) {
-            // TODO: delete section from parent subsection if there is one
             self.sections.remove(k)
         } else {
             None
@@ -250,7 +271,6 @@ impl Library {
 
     pub fn remove_page(&mut self, path: &PathBuf) -> Option<Page> {
         if let Some(k) = self.paths_to_pages.remove(path) {
-            // TODO: delete page from all parent sections
             self.pages.remove(k)
         } else {
             None
diff --git a/components/site/src/lib.rs b/components/site/src/lib.rs
index b2cc306..e5357c9 100644
--- a/components/site/src/lib.rs
+++ b/components/site/src/lib.rs
@@ -240,10 +240,8 @@ impl Site {
         }
 
         self.register_early_global_fns();
-        self.render_markdown()?;
         self.populate_sections();
-//        self.library.cache_all_pages();
-//        self.library.cache_all_sections();
+        self.render_markdown()?;
         self.populate_taxonomies()?;
         self.register_tera_global_fns();
 
diff --git a/components/site/tests/site.rs b/components/site/tests/site.rs
index e240d20..71c5942 100644
--- a/components/site/tests/site.rs
+++ b/components/site/tests/site.rs
@@ -22,10 +22,6 @@ fn can_parse_site() {
     assert_eq!(site.library.pages().len(), 15);
     let posts_path = path.join("content").join("posts");
 
-    // Make sure we remove all the pwd + content from the sections
-    let basic = site.library.get_page(&posts_path.join("simple.md")).unwrap();
-    assert_eq!(basic.file.components, vec!["posts".to_string()]);
-
     // Make sure the page with a url doesn't have any sections
     let url_post = site.library.get_page(&posts_path.join("fixed-url.md")).unwrap();
     assert_eq!(url_post.path, "a-fixed-url/");
@@ -41,10 +37,17 @@ fn can_parse_site() {
     let index_section = site.library.get_section(&path.join("content").join("_index.md")).unwrap();
     assert_eq!(index_section.subsections.len(), 3);
     assert_eq!(index_section.pages.len(), 1);
+    assert!(index_section.parent_section.is_none());
 
     let posts_section = site.library.get_section(&posts_path.join("_index.md")).unwrap();
     assert_eq!(posts_section.subsections.len(), 1);
     assert_eq!(posts_section.pages.len(), 7);
+    assert_eq!(posts_section.parent_section, Some(*site.library.get_section_key(&index_section.file.path).unwrap()));
+
+    // Make sure we remove all the pwd + content from the sections
+    let basic = site.library.get_page(&posts_path.join("simple.md")).unwrap();
+    assert_eq!(basic.file.components, vec!["posts".to_string()]);
+    assert_eq!(basic.parent_section, Some(*site.library.get_section_key(&posts_section.file.path).unwrap()));
 
     let tutorials_section = site.library.get_section(&posts_path.join("tutorials").join("_index.md")).unwrap();
     assert_eq!(tutorials_section.subsections.len(), 2);
@@ -57,6 +60,7 @@ fn can_parse_site() {
     let devops_section = site.library.get_section(&posts_path.join("tutorials").join("devops").join("_index.md")).unwrap();
     assert_eq!(devops_section.subsections.len(), 0);
     assert_eq!(devops_section.pages.len(), 2);
+    assert_eq!(devops_section.parent_section, Some(*site.library.get_section_key(&tutorials_section.file.path).unwrap()));
 
     let prog_section = site.library.get_section(&posts_path.join("tutorials").join("programming").join("_index.md")).unwrap();
     assert_eq!(prog_section.subsections.len(), 0);
diff --git a/components/templates/src/global_fns.rs b/components/templates/src/global_fns.rs
index 3fa58b5..5b80c68 100644
--- a/components/templates/src/global_fns.rs
+++ b/components/templates/src/global_fns.rs
@@ -56,7 +56,7 @@ pub fn make_get_page(library: &Library) -> GlobalFn {
     for page in library.pages_values() {
         pages.insert(
             page.file.relative.clone(),
-            to_value(library.get_page(&page.file.path).unwrap().to_serialized(library.pages())).unwrap(),
+            to_value(library.get_page(&page.file.path).unwrap().to_serialized(library)).unwrap(),
         );
     }
 
diff --git a/docs/content/documentation/templates/pages-sections.md b/docs/content/documentation/templates/pages-sections.md
index 3c04e38..99f11e1 100644
--- a/docs/content/documentation/templates/pages-sections.md
+++ b/docs/content/documentation/templates/pages-sections.md
@@ -45,6 +45,8 @@ month: Number?;
 day: Number?;
 // Paths of colocated assets, relative to the content directory
 assets: Array<String>;
+// The relative path of the parent section if existing, for use with the `get_section` Tera function
+parent_section: String?;
 ```
 
 ## Section variables
@@ -70,7 +72,9 @@ extra: HashMap<String, Any>;
 // Pages directly in this section, sorted if asked
 pages: Array<Pages>;
 // Direct subsections to this section, sorted by subsections weight
-subsections: Array<Section>;
+// This only contains the path to use in the `get_section` Tera function to get
+// the actual section object if you need it
+subsections: Array<String>;
 // Unicode word count
 word_count: Number;
 // Based on https://help.medium.com/hc/en-us/articles/214991667-Read-time
@@ -79,6 +83,8 @@ reading_time: Number;
 toc: Array<Header>;
 // Paths of colocated assets, relative to the content directory
 assets: Array<String>;
+// The relative path of the parent section if existing, for use with the `get_section` Tera function
+parent_section: String?;
 ```
 
 ## Table of contents
diff --git a/docs/templates/documentation.html b/docs/templates/documentation.html
index 86c25c7..cfeb2b7 100644
--- a/docs/templates/documentation.html
+++ b/docs/templates/documentation.html
@@ -8,7 +8,8 @@
 <div class="documentation">
     <aside class="documentation__sidebar">
         <ul>
-        {% for subsection in section.subsections %}
+        {% for p in section.subsections %}
+            {% set subsection = get_section(path=p) %}
             <li>
                 <span class="documentation__sidebar__title">{{ subsection.title }}</span>
                 <ul>
diff --git a/test_site/templates/section.html b/test_site/templates/section.html
index 6a3c8ae..a8d0d9a 100644
--- a/test_site/templates/section.html
+++ b/test_site/templates/section.html
@@ -4,7 +4,8 @@
     {% for page in section.pages %}
         {{page.title}}
     {% endfor %}
-    {% for subsection in section.subsections %}
+    {% for sub in section.subsections %}
+        {% set subsection = get_section(path=sub) %}
         {{subsection.title}}
         Sub-pages: {{subsection.pages | length}}
     {% endfor %}