Heir of William Hay (d.c.1201) (Familial relationship)
- David Hay, lord of Errol (d.1237×41)
- From Source
3/76/1 (C.A. Rent., 338, no. 50)
- Firm date
- 1178 X circa 1201
- Dating Notes
- Royal gift of Errol to William de la Haye (<em>RRS</em> ii, no. 204) × William’s death.