Nielsen Hayden genealogy
Family: Robert de Grelle / Hawise de Burgh (F11980)
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Male
Robert de Grelle
Birth Abt 1254 of Manchester, Lancashire, England 
Death 15 Feb 1282 Burial Marriage Father Robert de Grelley | F11981 Group Sheet Mother Joan | F11981 Group Sheet
Female
Hawise de Burgh
Birth Abt 1258 Death Bef 24 Mar 1299 Burial Father John de Burgh | F11556 Group Sheet Mother Cecily de Balliol | F11556 Group Sheet
Female
+ Joan de Grelle
Birth Death 20 Mar 1353 Burial Spouse John la Warre | F11979 Marriage Aft 19 Nov 1294