diff --git a/backend/src/db/seed.js b/backend/src/db/seed.js
index 242b3a856..87f1d7896 100644
--- a/backend/src/db/seed.js
+++ b/backend/src/db/seed.js
@@ -360,6 +360,33 @@ const languages = ['de', 'en', 'es', 'fr', 'it', 'pt', 'pl']
       }),
     ])
 
+    // post into group
+    await Promise.all([
+      mutate({
+        mutation: createPostMutation(),
+        variables: {
+          id: 'p0-g0',
+          groupId: 'g0',
+          title: `What happend in Shanghai?`,
+          content: 'A sack of rise dropped in Shanghai. Should we further investigate?',
+          categoryIds: ['cat6'],
+        },
+      }),
+    ])
+    authenticatedUser = await bobDerBaumeister.toJson()
+    await Promise.all([
+      mutate({
+        mutation: createPostMutation(),
+        variables: {
+          id: 'p1-g0',
+          groupId: 'g0',
+          title: `The man on the moon`,
+          content: 'We have to further investigate about the stories of a man living on the moon.',
+          categoryIds: ['cat12', 'cat16'],
+        },
+      }),
+    ])
+
     authenticatedUser = await jennyRostock.toJson()
     await Promise.all([
       mutate({
@@ -439,6 +466,32 @@ const languages = ['de', 'en', 'es', 'fr', 'it', 'pt', 'pl']
         },
       }),
     ])
+    // post into group
+    await Promise.all([
+      mutate({
+        mutation: createPostMutation(),
+        variables: {
+          id: 'p0-g1',
+          groupId: 'g1',
+          title: `Can we use ocelot for education?`,
+          content: 'I like the concept of this school. Can we use our software in this?',
+          categoryIds: ['cat8'],
+        },
+      }),
+    ])
+    authenticatedUser = await peterLustig.toJson()
+    await Promise.all([
+      mutate({
+        mutation: createPostMutation(),
+        variables: {
+          id: 'p1-g1',
+          groupId: 'g1',
+          title: `Can we push this idea out of France?`,
+          content: 'This idea is too inportant to have the scope only on France.',
+          categoryIds: ['cat14'],
+        },
+      }),
+    ])
 
     authenticatedUser = await bobDerBaumeister.toJson()
     await Promise.all([
@@ -527,6 +580,20 @@ const languages = ['de', 'en', 'es', 'fr', 'it', 'pt', 'pl']
       }),
     ])
 
+    authenticatedUser = await peterLustig.toJson()
+    await Promise.all([
+      mutate({
+        mutation: createPostMutation(),
+        variables: {
+          id: 'p0-g2',
+          groupId: 'g2',
+          title: `I am a Noob`,
+          content: 'I am new to Yoga and did not join this group so far.',
+          categoryIds: ['cat4'],
+        },
+      }),
+    ])
+
     // Create Posts
 
     const [p0, p1, p3, p4, p5, p6, p9, p10, p11, p13, p14, p15] = await Promise.all([