Family: Richard de Burgh / Egidia de Lacy (F1154)
 | William de Burgh (1180-1205) 
|
 | Mor O'Brien (1180- ) |
| Richard de Burgh (1201-1243)
|
| Egidia de Lacy (1200- ) |
| Richard de Burgh (1225-1248) |
| Margery de Burgh (1228- ) |
| Walter de Burgh, 1st Earl of Ulster (1230-1271)  |
| William Athankip de Burgh (1233-1270) |
| Daughter de Burgh (1235- ) |
| Alice de Burgh (1238- ) |
| Daughter de Burgh (1240- ) |