Son of Alan Stewart, son of Flaald(Familial relationship)
- Walter Stewart (I), son of Alan (d.1177)
- From Source
3/3/18 (Chrs. David I, no. 201)
- Firm date
- 1150 X 12 June 1152
- Dating Notes
- Earliest date at which Walter de Bidun may have been chancellor × death of Earl Henry.