Son of Patrick, earl of Dunbar (d.1232) (Familial relationship)
- Patrick (II), earl of Dunbar (d.1248)
- From Source
3/15/46 (ND, App., no. 123)
- Firm date
- circa 1212 X circa 1222
- Dating Notes
- Thomas (I) as prior of Coldingham, or election of Thomas of Melsonby as prior of Coldingham × death of Walter Lindsay (III).