(Notes: You may have to scroll down or right to see chart.)
| William de Vernon | |
| B: | 1189 |
| Devanham, Cheshire, England | |
| D: | 1231 |
| Devanham, Cheshire, England | |
| Margaret de Stockport | |
| B: | 1192 |
| Stockport, Cheshire, England | |
| D: | 1294 |
| Derbyshire, England | |
| Richard de Vernon | |
| B: | 1155 |
| Devanham, Cheshire, England | |
| D: | 1197 |
| Northwich, Cheshire, England | |
| Avice Avenal | |
| B: | cir 1155 |
| Hugh III de Vernon | |
| B: | 1113 |
| Devanham, Cheshire, England | |
| D: | 12 Apr 1165 |
| Devanham, Cheshire, England | |
| Margaret de Knightley | |
| B: | 1115 |
| Devanham, Cheshire, England | |
| D: | 1190 |
| Devanham, Cheshire, England | |
|
| Lucy de Tancarville | |
| B: | 1090 |
| Tancarville, Seine-Maritime, Haute-Normandie, France | |
| D: | 1165 |
| Devanham, Cheshire, England | |
| Guillaume de Vernon | |
| B: | 1092 |
| Normandy, France | |
| D: | 1174 |
| Northwich, Cheshire, England | |