Robert Stewart, 1st Earl of Orkney recognized illegitimate son of James V, King of Scotland (1533–1593) Parents Euphemia Elphinstone James V of Scotland Children Robert Stewart Katherine Stewart Lady Mary Stewart John Stewart, Earl of Carrick Elizabeth Stewart Henry Stewart, Master of Orkney Christian Stewart Patrick Stewart, 2nd Earl of Orkney James Stewart, 1st Laird of Greamsay Lady Jean Stewart Sir James Stewart Siblings James, Duke of Rothesay Adam Stewart John Stewart, Commendator of Coldingham James Stewart Jean Stewart Mary, Queen of Scots James Stewart, 1st Earl of Moray Robert Stewart Grissell Bruce Isobel Bruce Laurence Bruce Margaret Stewart Arthur Stewart, Duke of Albany James Stewart Partners Janet Robertson of Strowan Lady Janet Kennedy