WILLIAM 4th LORD de GREYSTOKE
¹   He died on July 10th, 1359.¹ 

 JOANE FITZ HENRY
She died on September 1st, 1403.¹ 

 RALPH de GREYSTOKE
RALPH was born on October 18th, 1353 in Kirby, Ravensworth, Yorkshire, England.¹   He died at the age of 64 on April 4th, 1418 in Ravensworth, Yorkshire, England.¹