Margred ferch John ap Maredudd Wynn Parents Elen ferch Morus ap John ap Maredudd Lloyd, of Clenenney John Wynn ap Maredudd Children Catrin Griffith, of Carnarvon John Griffith Siblings Maurice Wynn Annes ferch John ap Maredudd Gruffudd ap John ap Maredudd Wynn, of Berth ddu Owain Wynn ap John ap Maredudd of Gwydir Robert Wynn