Robert De Grentmesnil 
Robert was born about 1003 in , , , Normandy. Robert's father is Gervase De Grentmesnil. He was an only child. He died in 1028. He was buried in 1028.
They had a son named Hugh I.
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Children
Hugh I De Grentmesnil
Hugh I was born about 1032 in Hinckley, , Lancaster, England. Hugh I is no longer alive.
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