William (Sir Knight) de WILLOUGHBY 
William (Sir Knight) de was born about 1190 in Willoughby with Sloothby, Spilsby, Lincolnshire, England. William (Sir Knight) de's father was Ralph de WILLOUGHBY. He was an only child. He died before 1227.
They had a son named Robert (Sir Knight) de.
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Children
Robert (Sir Knight) de WILLOUGHBY
Robert (Sir Knight) de was born about 1210 in Willoughby with Sloothby, Spils, Lincolnshire, England.