Son of Duncan, earl of Mar (d.1242×44) (Familial relationship)
- William, earl of Mar (d.a.1281)
- From Source
3/21/66 (Neville, Strathearn, Add. Chrs., no. 7)
- Firm date
- 4 September 1233 X 7 February 1244
- Dating Notes
- Consecration of Clement, bishop of Dunblane × acc. William, earl of Mar.