Four or more generations of descendants of Mabel of Gloucester (c1155-1198) if they are properly linked:
1. Mabel of Gloucester (c1155-1198)
- 2. Nest ferch Gruffudd (c1174-)
- 2. Rhys ap Gruffudd (c1175-)
- 2. Hywel Felyn ap Gruffudd (c1179-).
- 2. Mawd ferch Gruffudd (c1181-)
- 2. Amaury VI de Montfort-Évreux (c1172-1213)
- 2. three daughters