John de Greystoke

↓→ John de Greystoke B 1389 in , Yorkshire, England D Aug 1436 in , Northamptonshire, England	↓→ Ralph de Greystoke B 18 Oct 1353 in Ravensworth, Yorkshire, England D Apr 1418 in , Yorkshire, England M 1377	↓→ William FitzRalph de Greystoke B Jan 1320 in Grimthorpe, Lincolnshire, England D 20 Jul 1359 in Castle Bracepeth, Northumberland, England M

		↓→ Joan Fitzhenry B ABT 1331 in Ravensworth, Yorkshire, England D

	↓→ Katherine de Clifford B ABT 1358 in , , England D 23 Apr 1413 in , , England	↓→ Roger de Clifford B 10 Jul 1333 in , , England D 13 Jul 1389 in , , England M	↓→ Robert de Clifford B Nov 1305 D 20 May 1344 M Jun 1328 in Berkeley Castle, Gloucestershire, England
			↓→ Isabel de Berkeley B ABT 1307 in Berkeley, Gloucestershire, England D 25 Jul 1362
		↓→ Maud de Beauchamp B ABT 1342 in , Warwickshire, England D	↓→ Thomas de Beauchamp B 14 Feb 1313 in , Warwickshire, England D 13 Nov 1369 in Calais, Pas-de-Calais, France M
			↓→ Catherine de Mortimer B 1309 in Wigmore, Herefordshire, England D