John Stewart, 1st Earl of Atholl Scottish diplomat; eldest son of Joan Beaufort and Sir James Stewart, the Black Knight of Lorn (1440–1512) Parents Joan Beaufort James Stewart, the Black Knight of Lorn Children Lady Elspeth Stewart Lady Marjory Stewart Lady Margaret Stewart Lady Elizabeth Stewart Lady Jean Stewart Lady Catherine Stewart Lady Isabel Stewart Lady Elizabeth Stewart Lady Jean Stewart John Stewart, 2nd Earl of Atholl Lady Janet Stewart Elizabeth Stewart Andrew Stewart Siblings Annabella of Scotland Joan Stewart, Countess of Morton James Stewart, 1st Earl of Buchan Mary Stewart, Countess of Buchan Margaret Stewart, Dauphine of France Alexander Stewart, Duke of Rothesay Isabella of Scotland, Duchess of Brittany Andrew Stewart Eleanor of Scotland James II of Scotland Partners Eleanor Sinclair Margaret Douglas, Fair Maid of Galloway