Margaret

↓→ Margaret B D	↓→ Thomas ap Llewelyn B 1310 in Iscoed, Deheubarth, Wales D M	↓→ Llewelyn ap Owain B in , , Wales D M	↓→ Owain ap Gruffydd B in , , Wales D 1236 M
			↓→ Angharad verch Meredudd B D
		↓→ Eleanor B 1294 D	↓→ Henry B in , , France D M 20 Sep 1293 in Bristol, , England
			↓→ Eleanor B ABT 1264 in Windsor Castle, London, England D 12 Oct 1297 in , Ghent. France
	↓→ Eleanor Goch verch Philip B 1318 in , , Wales D	↓→ Philip ap Ivor B in , , Wales D M

		↓→ Catherine verch Llywelyn B 1298 in , , Wales D	↓→ Llewelyn ap Gruffydd B 1236 in , , Wales D Dec 1282 in Builth, , Wales M
			↓→ Eleanor de Montfort B 1252 in Kenilworth Castle D 1282