William de Grandmesnil

• Name	William de Grandmesnil  [1, 2, 3]
  Gender	Male
  Person ID	I9723	Ancestry of PNH, TNH, and others
  Last Modified	6 Jan 2018

  
  

  Father	Robert de Grandmesnil   d. Abt 1136
  Mother	Agnes de Bayeux
  Family ID	F48	Group Sheet  |  Family Chart

  
  

  Family
  Children	+ 1. Pernel de Grandmesnil   d. 1 Apr 1212
  Family ID	F5397	Group Sheet  |  Family Chart
  Last Modified	2 Jun 2026

  
  

• Sources

  [S72] Chris Phillips, Some Corrections and Additions to The Complete Peerage. [S1201] Domesday People: A Prosopography of Persons Occurring in English Documents 1066-1166 by K. S. B. Keats-Rohan. Woodbridge, Suffolk: The Boydell Press, 1999. [S1228] John P. Ravilious, 5 Nov 2010, post to soc.genealogy.medieval.