| Baron William De Percy |
| Baron William De Percy | |
| B: | 1112 |
| Alnwick, Northumberland, England | |
| D: | 1168 |
| Topcliffe, Yorkshire, England | |
| Adeliza de Clare |
| Adeliza de Clare | |
| B: | 1115 |
| Skelton, Yorkshire, England | |
| M: | 1134 |
| D: | 1148 |
| Tonbridge, Kent, England | |
| Baron William De Percy |
| Baron William De Percy | |
| B: | 1088 |
| Alnwick, Northumberland, England | |
| D: | 1175 |
| Tonbridge, Kent, England | |
| Alice de Ros |
| Alice de Ros | |
| B: | 1090 |
| Alnwick, Northumberland, England | |
| D: | 1112 |
| Yorkshire, England | |
| Walter Rugemond, Baron, DePercy |
| Walter Rugemond, Baron, DePercy | |
| B: | 1089 |
| Alnwick, Northumberland, England | |
| D: | 1175 |
| Tonbridge, Kent, England | |
| Geoffrey De Percy |
| Geoffrey De Percy | |
| B: | Abt 1091 |
| ENGLAND | |
| Henry De Percy |
| Henry De Percy | |
| B: | Abt. 1093 |
| England | |
| Robert De Percy |
| Robert De Percy | |
| B: | 1094 |
| England | |
| Goffred, Abbot of St. Mary's at York, De Percy | |
| B: | 1094 |
| Al | |
| Alan, The Bastard, illegitimate, De Percy | |
| B: | 1096 |
| Alnwick Castle, Alnwick, Northumberland, England | |
| Emma de Gaunt |
| Emma de Gaunt | |
| B: | 1069 |
| Folkingham, Lincolnshire, England | |
| D: | 1088 |
| Folkingham, Bourne, Lincolnshire, England | |
| ALAN, Baron, The Great, De Percy |
| ALAN, Baron, The Great, De Percy | |
| B: | 1067 |
| Alnwick, Northumberland, England | |
| M: | 1087 |
| Folkingham, Lincolnshire, England | |
| D: | 1135 |
| Whitby, Yorkshire, England | |
| Gilbert, NEPHEW TO QUEEN MAUD, De Gaunt |
| Gilbert, NEPHEW TO QUEEN MAUD, De Gaunt | |
| B: | 1048 |
| Alost, Flanders, Belgium | |
| D: | 1094 |
| Bardney, Lincolnshire, England | |
| Alice DeMontfort |
| Alice DeMontfort | |
| B: | 1050 |
| Montfort-Sur, Risle, France | |
| D: | 1091 |
| Lincolnshire, England | |