Margaret Macdowall Peerage person ID=132719 Parents Uchtred Macdowall, 10th of Garthland Margaret Stewart, Mistress of Ochiltree Children Joanna Vans Florence Vans Margaret Vans Andrew Vans of Craigdhu Sir Patrick Vans of Barnbarroch Janet Vans Grizzell Vans Siblings Catherine Macdowall Uchtred Macdowall, 11th of Garthland Martha Stewart unknown son Stewart unknown daughter Stewart James Stewart Jean Stewart, Lady Bargany unknown daughter Stewart Anna Stewart Josias Stewart Andrew Stuart, 1st Baron Castle Stuart Margaret Stewart Mary Stewart Partners Sir John Vans of Barnbarroch