| Date | Short Summary | Role | Source |
|---|---|---|---|
| 11 Nov. 1257 | Son of Roger Laurid of Berwick (Familial relationship) | subject (relationship) | 4/21/5 (Kel. Lib., no. 35) |
| 11 Nov. 1257 | Heir of Roger Laurid of Berwick (Familial relationship) | subject (relationship) | 4/21/5 (Kel. Lib., no. 35) |