Thomas Plantagent Duke of Clarence
Thomas Plantagent Duke of was born on September 29th, 1388 in Kenilworth,Warwickshire,England.  He died at the age of 23 on September 22nd, 1412 in Battle of Beauge France.

 Margaret d'Holland Duchess
Margaret was born about 1385 in of Upholland,Lancashire,England.  She died on December 30th, 1439 in St. Saviour's Monastery,Bermondsey,Surrey,England.  She was buried in Cathedral,Canterbury,Kent,England.¹ 

 Sir John Clarence
John was born in ,,England.