Lady Isabella Stewart Peerage person ID=107964 Parents Isabella, Countess of Lennox Murdoch Stewart Children Thomas Buchanan of Gartincaber, Drumikill and Carbeth Elizabeth Buchanan Patrick Buchanan, 13th of that Ilk Siblings Walter Stewart, Master of Fife Robert Stewart, Master of Fife James Mor Stewart Sir Alexander Stewart unknown Stewart Partners Sir Walter Buchanan, 12th of that Ilk