| Date | Short Summary | Role | Source |
|---|---|---|---|
| 25 Mar. 1173 X 1200 | Son of Robert (father of William) (Familial relationship) | subject (relationship) | 3/176/1 (Pais. Reg., 116) |
| 1179 X 1196 | Son of Robert (father of William) (Familial relationship) | subject (relationship) | 3/547/25 (Pais. Reg., 11-12) |