Frethesende COCKERINGTON 
Frethesende was born about 1180 in Cumberworth, Thorpe, Lincolnshire, England. Frethesende's father was William COCKERINGTON and her mother was Berta SCOTENAI. She was an only child.
They had a son named William (Ralph) de.
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Children
William (Ralph) de WILLOUGHBY
William (Ralph) de was born about 1196 in Willoughby, Lincolnshire, England. He died before 1227.