Sir Edmund Plantagenet, 1st Duke Somerset Debeaufort
Sir Edmund Plantagenet, 1st Duke Somerset was born before 1406 in Somerset, England.¹   He died on May 12th, 1455 in St Albans, Herefordshire, England.¹ 

 Joan De Beaufort
Joan was born about 1402 in Westminster, London, England.  She died about 1453.