He married Helen Ogilvy, daughter of James, 4th
Lord Ogilvy of Airlie. Their children included: •
John Stewart, 1st Earl of Atholl (1566–1603), who married (1) Margaret Lindsay, daughter of
David Lindsay, 9th Earl of Crawford and
Katherine Campbell, (2) Marie Ruthven, the widow of
John Stewart, 5th Earl of Atholl, and daughter of
William Ruthven, 1st Earl of Gowrie and
Dorothea Stewart. • Robert Stewart, who was a servant of the murdered
Earl of Moray, and in 1592 tried to assassinate the
Earl of Huntly in revenge. He disguised himself in
Highlandman's clothes for an attempt made in Perth. • Katherine Stewart, who married William Ruthven of Ballindean, and was the mother of
Patrick Ruthven, 1st Earl of Forth ==References==