Son of Orm Abernethy (father of Laurence) (fl.1160s-70s) (Familial relationship)
- Laurence Abernethy (fl.1180s×1230s)
- From Source
3/28/9 (St B. Reg., no. 62)
- Firm date
- circa 1185 X 1196
- Dating Notes
- Appearance of Thomas de Colville × death of William de Morville and succession of Roland to constableship.