Isabel de Avenel

Isabel de Avenel was born about 1143 in Sandhurst, Tewkesbury Borough, Gloucestershire, England to Robert Aveernal, Jusiciar of Lothian and Sibyl. She was mistress to William I, King of Scotland and had at least children by him.

Isabel MacWilliam

Ada, wife of Patrick I, Earl of Dunbar

Anfrica, wife of William de Say

She died about 1235 in Stirling, Scotland. It is unknown what happened to her body.

Citations

1. [S2616] Unknown author, Magna Charta Sureties, 1215, 4th Ed., by F. L. Weis, p. 129.
2. [S16] Douglas Richardson, Magna Carta Ancestry, 2nd Edition, Vol. III, p. 444-445.
3. [S4] Douglas Richardson, Royal Ancestry, Vol. IV, p. 484.