Nigel De+ Lacy 
He had two biological sons named William Fitznigel De+ and John Fitznigel De+.
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Children
William Fitznigel De+ Lacy
William Fitznigel De+ was born in 1058 in Holton, Yorkshire, England. He died at the age of 76 in 1134 in Holton, Yorkshire, England.
John Fitznigel De+ Lacy
John Fitznigel De+ was born about 1060 in Knaresborough, Yorkshire, England.