Isabella married Sir Walter (6th High Steward of Scotland) Stewart about 1320. Sir (son of James (5th High Steward of Scotland) Stewart and Cecilia Dunbar) was born in April 1292 in Rosyth Castle, Scotland; died on 9 April 1327 in Bathgate Castle, Bathgate, West Lothian, Scotland; was buried in Paisley, Renfrewshire, Scotland. [Group Sheet] [Family Chart]

1. Sir John (of Ralston, Ralstoun) Stewart was born in 1318 in Scotland; died in 1380 in GARLIES, Wigtownshire, Scotland.
2. Andrew Stewart was born in 1322 in Cunninghame, Ayrshire, Scotland; died in 1380 in Wigtownshire, Scotland.
3. Egidia Stewart was born about 1325 in Cunninghame, Ayrshire, Scotland; died about 1406 in Renfrewshire, Scotland.