Alexander Stewart, 6th Earl of Galloway Scottish noble (1694–1773) Parents Lady Catherine Montgomerie James Stewart, 5th Earl of Galloway Children Lady Catherine Stewart Lady Margaret Stewart Euphemia Stewart Keith Stewart John Stewart James Stewart Alexander Stewart Susanna Leveson-Gower, Marchioness of Stafford William Stewart Lady Charlotte Stewart Harriet Stewart George Stewart John Stewart, 7th Earl of Galloway Lady Mary Stewart Siblings Lady Euphemia Stewart James Stewart John Stewart Lady Margaret Stewart William Stewart Lady Anne Stewart Lady Catherine Stewart Lady Mary Stewart George Stewart Partners Catherine Cochrane Lady Anne Keith