Ralph de WILLOUGHBY 
He had a biological son named William (Sir Knight) de.
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Personal Details
Ralph de WILLOUGHBY
Ralph de was born about 1150 in Willoughby, Lincolnshire, England. Ralph de is no longer alive.
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Children
William (Sir Knight) de WILLOUGHBY
William (Sir Knight) de was born about 1190 in Willoughby with Sloothby, Spilsby, Lincolnshire, England. He died before 1227.