Background
William Stewart was born in 1675, the son of Sir William Stewart, later 1st Viscount Mountjoy.
William Stewart was born in 1675, the son of Sir William Stewart, later 1st Viscount Mountjoy.
He was given command of a regiment of foot and was made successively a brigadier-general, a major-general and a lieutenant-general. In 1714 he was made Master-General of the Ordnance, colonel of a regiment of dragoons and soon after one of the Keepers of the Great Seal.