Son of Unknown, earl of Mar (Familial relationship)
- John, son of earl of Mar
- From Source
3/16/18 (Mort. Reg., App. I, no. 1)
- Firm date
- 1204 X 19 April 1225
- Dating Notes
- Death of Earl Duncan II of Fife × royal confirmation (<em>Morton Reg.</em>, i, App I, no. 2).