diff --git a/ext/relationships/main.php b/ext/relationships/main.php
index a726ed27..f3b91bc9 100644
--- a/ext/relationships/main.php
+++ b/ext/relationships/main.php
@@ -210,4 +210,35 @@ class Relationships extends Extension
             ["has_children"=>$children>0, "pid"=>$parent_id]
         );
     }
+
+    public static function has_siblings(int $image_id): bool
+    {
+       global $database;
+
+       $image = Image::by_id($image_id);
+
+       $count = $database->get_one(
+           "SELECT COUNT(*) FROM images WHERE id!=:id AND parent_id=:pid",
+           ["id"=>$image_id, "pid"=>$image->parent_id]
+       );
+
+       if ($count > 0) {
+           return true;
+       }
+       return false;
+    }
+
+    public static function get_siblings(int $image_id): array
+    {
+       global $database;
+
+       $image = Image::by_id($image_id);
+
+       $siblings = $database->get_col(
+           "SELECT id FROM images WHERE id!=:id AND parent_id=:pid",
+           ["id"=>$image_id, "pid"=>$image->parent_id]
+       );
+
+       return $siblings;
+    }
 }
diff --git a/ext/relationships/style.css b/ext/relationships/style.css
index cb7e5633..e98719f8 100644
--- a/ext/relationships/style.css
+++ b/ext/relationships/style.css
@@ -3,13 +3,57 @@
 }
 
 .shm-thumb-has_child img {
-	border-color: lime !important;
+	border-color: cyan;
 }
 
 .shm-thumb-has_parent img {
-	border-color: #cc0 !important;
+	border-color: cyan;
 }
 
 .shm-thumb-has_child.shm-thumb-has_parent img {
-	border-color: lime #cc0 #cc0 lime !important;
+	border-color: magenta #cc0 #cc0 magenta !important;
+}
+
+#PostRelationships {
+  margin-top: 0;
+}
+
+#PostRelationships * {
+  box-sizing: border-box;
+}
+
+#PostRelationships .shm-relationships-thumbs {
+  padding-top: 5px;
+}
+
+#PostRelationships .shm-parent-thumbs,
+#PostRelationships .shm-sibling-thumbs {
+  display: inline-block;
+}
+
+#PostRelationships img {
+  display: inline-block;
+  height: 96px;
+  width: auto;
+  margin: 0 5px;
+}
+
+#PostRelationships .shm-parent-thumbs img {
+  border: solid;
+  border-color: #f5ffad;
+}
+
+#PostRelationships .shm-child-thumbs img {
+  border: solid;
+  border-color: cyan;
+}
+
+#PostRelationships .shm-sibling-thumbs img {
+  border: solid;
+  border-color: cyan;
+}
+
+.shm-relationships-toggle {
+  padding-left: 5px;
+  text-align: right;
 }
diff --git a/ext/relationships/theme.php b/ext/relationships/theme.php
index e37e22cb..6ca0ecef 100644
--- a/ext/relationships/theme.php
+++ b/ext/relationships/theme.php
@@ -7,22 +7,77 @@ class RelationshipsTheme extends Themelet
         global $page, $database;
 
         if ($image->parent_id !== null) {
-            $a = "<a href='".make_link("post/view/".$image->parent_id)."'>parent post</a>";
-            $page->add_block(new Block(null, "This post belongs to a $a.", "main", 5, "ImageHasParent"));
+            $a = "<a href='".make_link("post/view/".$image->parent_id)."'>#$image->parent_id</a>";
+            $shtml = "<span>This post belongs to a parent post ($a)";
+            $thtml = "<div class='shm-relationships-thumbs'><div class='shm-parent-thumbs'>" . $this->get_parent_thumbnail_html($image) . "</div>";
+            if (Relationships::has_siblings($image->id)) {
+                $siblings = Relationships::get_siblings($image->id);
+                $shtml .= " and has " .count($siblings) . (count($siblings) > 1 ? " siblings" : " sibling");
+                $shtml .= " (";
+                foreach ($siblings as $sibling) {
+                    $shtml .= "<a href='" . make_link('post/view/'.$sibling) . "'>#$sibling</a>" . (count($siblings) > 1 ? ", " : ")");
+                }
+                $thtml .= "<div class='shm-sibling-thumbs'>" . $this->get_sibling_thumbnail_html($image) . "</div>";
+            }
+            $shtml .= ".</span>";
+            $shtml .= "<a href='#' id='relationships-toggle' class='shm-relationships-toggle'>« hide</a>";
+            $thtml .= "</div>";
+            $html = $shtml . $thtml;
+            $page->add_block(new Block(null, $html, "main", 5, "PostRelationships"));
         }
 
         if (bool_escape($image->has_children)) {
             $ids = $database->get_col("SELECT id FROM images WHERE parent_id = :iid", ["iid"=>$image->id]);
 
-            $html = "This post has <a href='".make_link('post/list/parent='.$image->id.'/1')."'>".(count($ids) > 1 ? "child posts" : "a child post")."</a>";
-            $html .= " (post ";
+            $shtml = "This post has <a href='".make_link('post/list/parent='.$image->id.'/1')."'>".(count($ids) > 1 ? "child posts" : "a child post")."</a>";
+            $shtml .= " (post ";
+            $thtml = "<div class='shm-relationships-thumbs'><div class='shm-child-thumbs'>";
             foreach ($ids as $id) {
-                $html .= "#<a href='".make_link('post/view/'.$id)."'>{$id}</a>, ";
+                $shtml .= "<a href='".make_link('post/view/'.$id)."'>#{$id}</a>, ";
+                $thtml .= $this->get_child_thumbnail_html(Image::by_id($id));
             }
-            $html = rtrim($html, ", ").").";
+            $shtml = rtrim($shtml, ", ").").";
+            $shtml .= "<a href='#' id='relationships-toggle' class='shm-relationships-toggle'>« hide</a>";
+            $thmtl .= "</div></div>";
+
+            $html = $shtml . $thtml;
+
+            $page->add_block(new Block(null, $html, "main", 5, "PostRelationships"));
+        }
+    }
+
+    private function get_parent_thumbnail_html(Image $image): string
+    {
+        global $user;
+
+        $parent_id = $image->parent_id;
+        $parent_image = Image::by_id($parent_id);
+
+        $html = $this->build_thumb_html($parent_image);
+
+        return $html;
+    }
+
+    private function get_child_thumbnail_html(Image $image): string
+    {
+        $html = $this->build_thumb_html($image);
+
+        return $html;
+    }
 
-            $page->add_block(new Block(null, $html, "main", 6, "ImageHasChildren"));
+    private function get_sibling_thumbnail_html(Image $image): string
+    {
+        global $user;
+
+        $siblings = Relationships::get_siblings($image->id);
+        $html = "";
+
+        foreach ($siblings as $sibling) {
+            $sibling_image = Image::by_id($sibling);
+            $html .= $this->build_thumb_html($sibling_image);
         }
+
+        return $html;
     }
 
     public function get_parent_editor_html(Image $image): string