(Notes: You may have to scroll down or right to see chart.)
| DEL HAY Thomas (1160) | |
| B: | 1160 |
| Aughton, York, England | |
| D: | 1190 |
| DEL HAY Rogerus (1140) | |
| D: | About 1188 |
| FOSSARDSDOTTIR Ms. (1140) | |
| B: | About 1140 |
| North Cave, Yorkshire, England | |
| DEL HAY Rogerus (1124) | |
| B: | 1124 |
| North Cave, York, England | |
| D: | About 1166 |
| DEL HAY Answith (1125) | |
| B: | About 1125 |
| Yorkshire, England | |
| DEL HAY Thomas II (1126), | |
| B: | About 1126 |
| North Cave, Yorshire, England | |
| DEL HAY Thomas I (1080), | |
| B: | About 1080 |
| North Cave, Yorshire, England | |