Katherine De Roet 
Katherine was born in 1350 in Hainault,BELGIUM. Katherine's father was Payne De Roet and her mother was Guienne King-At-Arms UNKNOWN. She had a sister named Phillipa. She was the younger of the two children. She died at the age of 53 on May 10th, 1403 in Lincoln,Lincolnshire,ENGLAND.
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Children
John "Fairborn" Beaufort
John "Fairborn" was born about 1371 in Near Pottersgate,Lincolnshire,ENGLAND. He died in St Catherine By The Tower Hospital,London,Middlesex,ENGLAND.
Joan Beaufort
Joan was born in 1375 in Chateau De Beaufort,Meuse-et-Loire,FRANCE. She died at the age of 65 on November 13th, 1440 in Howden,Yorkshire,ENGLAND.
Henry Beaufort
Henry was born about 1376 in Chateau,De Beaufort,Meurthe-et-Moselle,FRANCE. He died on April 11th, 1447 in Winchester,Hampshire,ENGLAND.
Thomas Beaufort
Thomas was born in Chateau De Beaufort,Meurthe-et-Moselle,Anjou,FRANCE. He died on December 31st, 1426 in Greenwich Manor,East Greenwich,Kent,ENGLAND.