Nielsen Hayden genealogy
Robert de Grandmesnil
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Name Robert de Grandmesnil [1, 2, 3] Birth of Grandmesnil, Calvados, Normandy, France
[2] Gender Male Person ID I811 Ancestry of PNH, TNH, and others Last Modified 6 Jan 2018
Family Hawise d'Eschaffour Children + 1. Hugh de Grandmesnil d. 22 Feb 1098, Leicester Abbey, Leicester, Leicestershire, England 
Family ID F6155 Group Sheet | Family Chart Last Modified 8 Apr 2026
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Notes - Killed in battle by Roger de Beaumont.
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Sources - [S789] The Wallop Family and Their Ancestry by Vernon James Watney. Oxford, 1928.
- [S160] Wikipedia.
- [S1197] "Grandmesnil", by Robert Sewell.
- [S789] The Wallop Family and Their Ancestry by Vernon James Watney. Oxford, 1928.