Nielsen Hayden genealogy
Family: (Unknown husband of Hawise de Grey) / Hawise de Grey (F6713)
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Child 1 | Male
+ Robert de Grey
Born Died Between 25 Sep 1240 and 12 Jun 1245 Buried Spouse Amice | F6711 Married
Child 3 | Male
Walter de Grey, Archbishop of York
Born Abt 1180 Died 1 May 1255 Fulham, London, England 
Buried 15 May 1255 York Cathedral, York, Yorkshire, England 