If i understand well you want nested groups with clipPath ?

┌─ Parent Group
│ 
├── ClipPath A : Frame
│ 
├──┌─ Child group
│  │
│  │
│  ├─ ClipPath B : Circle
│  │
│  ├─ Child objects [objects]
│  └─
└─

Example below

JS Fiddle (edited)