diff --git a/skyline_apiserver/api/v1/extension.py b/skyline_apiserver/api/v1/extension.py
index efc8fee..de109dd 100644
--- a/skyline_apiserver/api/v1/extension.py
+++ b/skyline_apiserver/api/v1/extension.py
@@ -862,7 +862,9 @@ async def list_volume_snapshots(
     child_volumes: Dict[str, Any] = {}
     for volume in volumes_from_snapshot:
         child_volumes.setdefault(volume.snapshot_id, [])
-        child_volumes[volume.snapshot_id].append(volume.name)
+        child_volumes[volume.snapshot_id].append(
+            {"volume_id": volume.id, "volume_name": volume.name}
+        )
 
     for snapshot in result:
         snapshot["project_name"] = proj_mappings.get(snapshot["project_id"])
diff --git a/skyline_apiserver/schemas/extension.py b/skyline_apiserver/schemas/extension.py
index f93d4ca..093de07 100644
--- a/skyline_apiserver/schemas/extension.py
+++ b/skyline_apiserver/schemas/extension.py
@@ -398,6 +398,13 @@ class VolumesResponse(BaseModel):
     volumes: List[VolumesResponseBase] = Field(..., description="Volumes list")
 
 
+class VolumeSnapshotChildVolume(BaseModel):
+    volume_id: str = Field(
+        None, description="ID of volume", example="00000000-0000-0000-0000-000000000000"
+    )
+    volume_name: str = Field(None, description="Name of volume", example="child-volume-demo")
+
+
 class VolumeSnapshotsResponseBase(BaseModel):
     id: str = Field(..., description="Snapshot ID")
     origin_data: Dict[str, Any] = Field(
@@ -405,8 +412,10 @@ class VolumeSnapshotsResponseBase(BaseModel):
     )
     project_name: Optional[str] = Field(None, description="Project name")
     host: Optional[str] = Field(None, description="Host name")
-    volume_name: Optional[str] = Field(None, description="Volume name")
-    child_volumes: Optional[List] = Field(None, description="Child volumes")
+    volume_name: Optional[str] = Field(None, description="Name of volume", example="volume-demo")
+    child_volumes: Optional[List[VolumeSnapshotChildVolume]] = Field(
+        None, description="Child volumes"
+    )
 
     name: Optional[str] = Field(
         description="Will be removed, please use origin_data[name]",
diff --git a/swagger.json b/swagger.json
index 9c67007..b0b5aa9 100644
--- a/swagger.json
+++ b/swagger.json
@@ -3442,6 +3442,24 @@
                     }
                 }
             },
+            "VolumeSnapshotChildVolume": {
+                "title": "VolumeSnapshotChildVolume",
+                "type": "object",
+                "properties": {
+                    "volume_id": {
+                        "title": "Volume Id",
+                        "type": "string",
+                        "description": "ID of volume",
+                        "example": "00000000-0000-0000-0000-000000000000"
+                    },
+                    "volume_name": {
+                        "title": "Volume Name",
+                        "type": "string",
+                        "description": "Name of volume",
+                        "example": "child-volume-demo"
+                    }
+                }
+            },
             "VolumeSnapshotSortKey": {
                 "title": "VolumeSnapshotSortKey",
                 "enum": [
@@ -3519,12 +3537,15 @@
                     "volume_name": {
                         "title": "Volume Name",
                         "type": "string",
-                        "description": "Volume name"
+                        "description": "Name of volume",
+                        "example": "volume-demo"
                     },
                     "child_volumes": {
                         "title": "Child Volumes",
                         "type": "array",
-                        "items": {},
+                        "items": {
+                            "$ref": "#/components/schemas/VolumeSnapshotChildVolume"
+                        },
                         "description": "Child volumes"
                     },
                     "name": {