Edmund Plantagenet of LANCASTER, PRINCE, EARL
He married Blanche of Artois, Princess . Blanche of Artois, Princess was born at 1247 daughter of Prince Robert I Duke of Artois, Prince and Princess Mathilde of Brabant, Princess .
They were the parents of 4
children:
Thomas of Lancaster, Earl
born 1272.
John of Beaufort, Lord
born 1276.
Lady Mary of Chester, Lady
born 1275.
Earl Henry III of Lancaster, Earl
born 1274.
Edmund Plantagenet of Lancaster, Prince, Earl died 5 Jun 1276 at Bayonne, England .
Blanche of Artois, Princess died 2 May 1302 .