John DE BEAUFORT Marquis Of Dorest
John was born in 1380 in Cheteau DE Beaufort, Anjou, France.  He died at the age of 30 on March 16th, 1410 in Tower Of London, Middlesex, England.  He was buried in March 1410 in St. Michael's Chapel, Cantebury Chathedral, Kent, England.

 Margaret DE HOLLAND
Margaret was born in 1385 in Upholland, Lancastershire, England.  She died at the age of 54 on December 30th, 1439 in St. Saviour's Montastery, Bermondsey, Greater London, England.  She was buried in December 1439 in Canterbury Cathedral, Kent, Woolrich, England.

 Edmund BEAUFORT Duke Of Somerset
Edmund was born in 1406 in Westminster, London, Middlesex, England.  He died at the age of 49 on May 22nd, 1455 in St. Albans Abbey, St. Albans, Herfordshire, England.  He was buried in May 1455 in St. Albans Abbey, St. Albans, Herfordshire, England.