|  Edmund De Mortimer | Brother | Wigmore, Herefordshire, England | 1306 |  | 1332 | 
		
			|  Roger De Mortimer | Brother | Wigmore, Herefordshire, England | 1309 | Perth, Perthshire, Scotland | 8/27/1338 | 
		
			|  Catherine De Mortimer | Sister | Wigmore, Herefordshire, England | 1310 | Warwick, Warwickshire, England | 9/6/1369 | 
		
			|  Geofrey De Mortimer | Brother | Couhé, Vienne, Poitou-Charentes, France | 1310 | Couhé, Vienne, Poitou-Charentes, France | 1372 | 
		
			|  Beatrice Beatrix De Mortimer | Sister | Wigmore, Herefordshire, England | 1311 | Kent, England | 10/16/1383 | 
		
			|  Agnes De Mortimer | Sister | Wigmore, Herefordshire, England | 1313 | Without Aldgate, Middlesex, England | 1368 | 
		
			|  Joane De Mortimer | Sister | Wigmore, Herefordshire, England | 1314 | Heleigh Castle, Staffordshire, England | 1338 | 
		
			
		
		
			|  Joan De Geneville | Mother | Ludlow, Shropshire, England | 2/2/1285 | Kings Stanley, Lasboro, Gloucestershire, England | 10/13/1356 | 
		
			|  Roger, Baron Mortimer, Earl Of Marche De Mortimer De Mortimer | Father | Netherwood, Thornbury, Herefordshire, England | 5/3/1287 | Elms, Tyburn, Warwickshire, England, UK | 11/29/1330 | 
		
			
		
		
			|  Piers De Geneville Joinville | Grandfather | Dublin, Dublin, Ireland | 1256 | Lusignan, Vienne, Poitou-Charentes, France | 6/8/1292 | 
		
			|  Joan Lusignan | Grandmother | Lusignan, Vienne, Poitou-Charentes, France | 1262 | Couhé, Vienne, Poitou-Charentes, France | 9/14/1323 | 
		
			
		
		
			|  Sir John Brokhull | Brother-in-law | Hythe, Kent, England | 1320 | Friars Minors of Canterbury, Kent, England | MAY 1383 |