diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -159,7 +159,7 @@
     'rsrc/css/phui/phui-formation-view.css' => 'd2dec8ed',
     'rsrc/css/phui/phui-head-thing.css' => 'd7f293df',
     'rsrc/css/phui/phui-header-view.css' => '36c86a58',
-    'rsrc/css/phui/phui-hovercard.css' => '6ca90fa0',
+    'rsrc/css/phui/phui-hovercard.css' => '39fd2e14',
     'rsrc/css/phui/phui-icon-set-selector.css' => '7aa5f3ec',
     'rsrc/css/phui/phui-icon.css' => '084ac612',
     'rsrc/css/phui/phui-image-mask.css' => '62c7f4d2',
@@ -855,7 +855,7 @@
     'phui-header-view-css' => '36c86a58',
     'phui-hovercard' => '6199f752',
     'phui-hovercard-list' => 'de4b4919',
-    'phui-hovercard-view-css' => '6ca90fa0',
+    'phui-hovercard-view-css' => '39fd2e14',
     'phui-icon-set-selector-css' => '7aa5f3ec',
     'phui-icon-view-css' => '084ac612',
     'phui-image-mask-css' => '62c7f4d2',
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -5644,6 +5644,7 @@
     'PhrictionEditEngineController' => 'applications/phriction/controller/PhrictionEditEngineController.php',
     'PhrictionHistoryConduitAPIMethod' => 'applications/phriction/conduit/PhrictionHistoryConduitAPIMethod.php',
     'PhrictionHistoryController' => 'applications/phriction/controller/PhrictionHistoryController.php',
+    'PhrictionHovercardEngineExtension' => 'applications/phriction/engineextension/PhrictionHovercardEngineExtension.php',
     'PhrictionInfoConduitAPIMethod' => 'applications/phriction/conduit/PhrictionInfoConduitAPIMethod.php',
     'PhrictionListController' => 'applications/phriction/controller/PhrictionListController.php',
     'PhrictionMarkupPreviewController' => 'applications/phriction/controller/PhrictionMarkupPreviewController.php',
@@ -12545,6 +12546,7 @@
     'PhrictionEditEngineController' => 'PhrictionController',
     'PhrictionHistoryConduitAPIMethod' => 'PhrictionConduitAPIMethod',
     'PhrictionHistoryController' => 'PhrictionController',
+    'PhrictionHovercardEngineExtension' => 'PhabricatorHovercardEngineExtension',
     'PhrictionInfoConduitAPIMethod' => 'PhrictionConduitAPIMethod',
     'PhrictionListController' => 'PhrictionController',
     'PhrictionMarkupPreviewController' => 'PhabricatorController',
diff --git a/src/applications/phriction/engineextension/PhrictionHovercardEngineExtension.php b/src/applications/phriction/engineextension/PhrictionHovercardEngineExtension.php
new file mode 100644
--- /dev/null
+++ b/src/applications/phriction/engineextension/PhrictionHovercardEngineExtension.php
@@ -0,0 +1,169 @@
+<?php
+
+final class PhrictionHovercardEngineExtension
+  extends PhabricatorHovercardEngineExtension {
+
+  const EXTENSIONKEY = 'phriction';
+
+  public function isExtensionEnabled() {
+    return PhabricatorApplication::isClassInstalled(
+      'PhabricatorPhrictionApplication');
+  }
+
+  public function getExtensionName() {
+    return pht('Wiki Documents');
+  }
+
+  public function canRenderObjectHovercard($object) {
+    return ($object instanceof PhrictionDocument);
+  }
+
+  public function willRenderHovercards(array $objects) {
+    return array(
+      'projects' => $this->getProjectHandlesOfDocuments($objects),
+      'ancestors' => $this->getAncestorHandlesOfDocuments($objects),
+    );
+  }
+
+  public function renderHovercard(
+    PHUIHovercardView $hovercard,
+    PhabricatorObjectHandle $handle,
+    $object,
+    $data) {
+
+    $viewer = $this->getViewer();
+    $phid = $object->getPHID();
+
+    $detail_content = array(
+      id(new PHUIIconView())->setIcon('fa-book'),
+    );
+
+    $ancestor_handles = $data['ancestors'][$phid];
+    if ($ancestor_handles) {
+      foreach ($ancestor_handles as $ancestor_handle) {
+        $detail_content[] = phutil_tag(
+          'a',
+          array(
+            'href' => $ancestor_handle->getUri(),
+          ),
+          $ancestor_handle->getName());
+
+        $detail_content[] = id(new PHUIIconView())
+          ->setIcon('fa-angle-right')
+          ->addClass('phui-crumb-divider');
+      }
+      array_pop($detail_content);
+    } else {
+      $detail_content[] = pht('Wiki Document');
+    }
+
+    $project_handles = $data['projects'][$phid];
+    if ($project_handles) {
+      $list = id(new PHUIHandleTagListView())
+        ->setHandles($project_handles)
+        ->setSlim(true)
+        ->setShowHovercards(false);
+
+      $detail_content[] = $list;
+    }
+
+    $hovercard->setDetail(
+      phutil_tag(
+        'div',
+        array(
+          'class' => 'phui-hovercard-object-type',
+        ),
+        $detail_content));
+
+    $content = $object->getContent();
+
+    if ($content) {
+      $hovercard->addField(
+        pht('Last Author'),
+        $viewer->renderHandle($content->getAuthorPHID()));
+
+      $hovercard->addField(
+        pht('Last Edited'),
+        phabricator_dual_datetime($content->getDateCreated(), $viewer));
+    }
+  }
+
+  private function getProjectHandlesOfDocuments($documents) {
+    $viewer = $this->getViewer();
+    $project_edge_type = PhabricatorProjectObjectHasProjectEdgeType::EDGECONST;
+    $project_phids = array();
+    $project_map = array();
+
+    $project_edges = id(new PhabricatorEdgeQuery())
+      ->withSourcePHIDs(mpull($documents, 'getPHID'))
+      ->withEdgeTypes(array($project_edge_type))
+      ->execute();
+
+    foreach ($project_edges as $document_phid => $edge_types) {
+      $document_project_phids = array_keys($edge_types[$project_edge_type]);
+
+      $project_map[$document_phid] = array_reverse($document_project_phids);
+      foreach ($document_project_phids as $project_phid) {
+        if (!in_array($project_phid, $project_phids, true)) {
+          $project_phids[] = $project_phid;
+        }
+      }
+    }
+
+    if ($project_phids) {
+      $project_handles = $viewer->loadHandles($project_phids);
+      $project_handles = iterator_to_array($project_handles);
+      $project_handles = mpull($project_handles, null, 'getPHID');
+
+      foreach ($project_map as $key => $document_project_phids) {
+        $project_map[$key] = array_select_keys(
+          $project_handles,
+          $document_project_phids);
+      }
+    }
+
+    return $project_map;
+  }
+
+  private function getAncestorHandlesOfDocuments($documents) {
+    $viewer = $this->getViewer();
+    $ancestor_slugs = array();
+    $ancestor_map = array();
+
+    foreach ($documents as $document) {
+      $document_phid = $document->getPHID();
+      $document_ancestor_slugs = PhabricatorSlug::getAncestry(
+        $document->getSlug());
+
+      $ancestor_map[$document_phid] = $document_ancestor_slugs;
+      foreach ($document_ancestor_slugs as $slug) {
+        if (!in_array($slug, $ancestor_slugs, true)) {
+          $ancestor_slugs[] = $slug;
+        }
+      }
+    }
+
+    if ($ancestor_slugs) {
+      $ancestors = id(new PhrictionDocumentQuery())
+        ->setViewer($viewer)
+        ->withSlugs($ancestor_slugs)
+        ->execute();
+      $ancestor_phids = mpull($ancestors, 'getPHID', 'getSlug');
+      $ancestor_handles = $viewer->loadHandles($ancestor_phids);
+      $ancestor_handles = iterator_to_array($ancestor_handles);
+      $ancestor_handles = mpull($ancestor_handles, null, 'getPHID');
+
+      foreach ($ancestor_map as $key => $document_ancestor_slugs) {
+        $document_ancestor_phids = array_select_keys(
+          $ancestor_phids,
+          $document_ancestor_slugs);
+        $ancestor_map[$key] = array_select_keys(
+          $ancestor_handles,
+          $document_ancestor_phids);
+      }
+    }
+
+    return $ancestor_map;
+  }
+
+}
diff --git a/webroot/rsrc/css/phui/phui-hovercard.css b/webroot/rsrc/css/phui/phui-hovercard.css
--- a/webroot/rsrc/css/phui/phui-hovercard.css
+++ b/webroot/rsrc/css/phui/phui-hovercard.css
@@ -115,3 +115,24 @@
 .hovercard-task-view .phui-oi-disabled.phui-workcard {
   background-color: #fff;
 }
+
+.phui-hovercard-object-type  {
+  font-size: 12px;
+}
+
+.phui-hovercard-object-type .phui-icon-view {
+  margin-right: 6px;
+}
+
+.phui-hovercard-object-type .phui-crumb-divider {
+  margin: 0px 6px;
+}
+
+.phui-hovercard-object-type .phabricator-handle-tag-list {
+  margin-top: 10px;
+}
+
+.phui-hovercard-object-type .phabricator-handle-tag-list-item {
+  display: inline-block;
+  margin: 0 4px 2px 0;
+}