Sir John Stewart of Innermeath, Kt. (1358 – 1421) – Genealogy

Sir John Stewart of Innermeath. He exchanged with his brother Robert the lands of Durrisdeer for the lordship of Lorn, to which the latter succeeded through his wife Janet de Ergadia. He is designed Lord of Lorn in 1407. Douglas and the older writers state that his wife was Isobel de Ergadia, daughter and co-heir of Eugene, or John, Lord of Lorn.

https://www.geni.com/people/Sir-John-Stewart-of-Innermeath-Kt/6000000003099041600