John de Mowbray

↓→ John de Mowbray B Sep 1286 in , Norfolk, England D 23 Mar 1322	↓→ Roger de Mowbray B ABT 1254 in , Lincolnshire, England D 1298 in Ghent, , Holland M 1270	↓→ Roger de Mowbray B ABT 1218 in Axholme, Lincolnshire, England D 1266 in , York, England M	↓→ William de Mowbray B ABT 1172 in Axholme, Lincolnshire, England D Nov 1266 in , , England M
			↓→ Avice d'Aubigny B 1198 in Arundel, Sussex, England D
		↓→ Maude de Beauchamp B ABT 1229 in Bedford, Bedford, England D Apr 1273 in , , England

	↓→ Rohesia de Clare B 17 Oct 1252 in Tunbridge, Kent, England D 1316	↓→ Richard FitzGilbert de Clare B Aug 1222 in , Gloucestershire, England D 15 Jul 1262 in Waltham, Kent, England M 25 Jan 1238	↓→ Gilbert III FitzRichard de Clare B 1182 in , Hertfordshire, England D 25 Oct 1230 in Penrose, Brittany, France M Oct 1217 in , , England
			↓→ Isabel Marshall B Oct 1200 in Pembroke, Pembrokeshire, England D 17 Jan 1240
		↓→ Maud de Lacy B Aug 1222 in Lincoln, Lincolnshre, England D 10 Mar 1287 in Lincoln, Lincolnshre, England	↓→ John de Lacy B 1192 in Lincoln, Lincolnshre, England D 22 Jul 1240 in Stanlaw, Cheshire, England M 1221
			↓→ Margaret de Quincy B 1208 in Lincoln, Lincolnshre, England D 1266 in , , England