Son of Thor (father of Swain) (Familial relationship)
- Swain, son of Thor of Ruthven (father of Alan)
- From Source
3/350/7 (Newb. Reg., no. 135)
- Firm date
- 1185 X circa 1190
- Dating Notes
- Accession of the king’s brother David to the earldom of Huntingdon × royal conf. (<em>RRS</em> ii, no. 257). Also in papal confirmation of 1203.