Earl of Kendal 3rd Earl of Somerset' De Beaufort Sir John 'Knight' '1st Duke Somerset
Earl of Kendal 3rd Earl of Somerset' De Beaufort Sir John 'Knight' '1st Duke was born on March 25th, 1404 in Westminster, London, Olde England.²   He died at the age of 40 on May 27th, 1444 in Wimborne Minster, Dorset, , England.¹ 

 Margaret "Duchess of Somerset" Beauchamp
Margaret "Duchess of Somerset" was born in 1410 in Bedfordshire, England.³   She died at the age of 72 on August 8th, 1482 in Wimborne Minster, Dorset, , England.¹ 

 Margaret De Beaufort
Margaret was born on May 31st, 1443 in Bletsoe Castle, Bedfordshire, Olde England.²   She died at the age of 66 on June 29th, 1509 in Westminster Abbey, Westminster, Middlesex, Olde England.²