Gilbert Montgomerie
1020 - 1063 (43 years)-
Name Gilbert Montgomerie [1, 2, 3, 4] Birth 1020 Saint-Germain-de-Montgommery, Calvados, Normandy, France 
Gender Male Death 1063 Shrewsbury, Shropshire, England [1, 3, 4] Cause: Poisoned by Mabel Person ID I1706 MontyHistNotes_II Last Modified 6 Sep 2025
Father 5th Count Montgomery Roger I Montgomerie, b. 985, Saint-Germain-de-Montgommery, Calvados, Normandy, France d. 1040, Paris, Île-de-France, France (Age 55 years) Relationship natural Mother Josceline de Pontaudemer Harcourt, b. 989, Pont-Audemer, Eure, Haute-Normandie, France d. 7 Feb 1050, Pont-Audemer, Eure, Haute-Normandie, France (Age 61 years) Relationship natural Marriage 1010 France Family ID F658 Group Sheet | Family Chart
Family Children + 1. Radulfus Montgomery, I [Father: natural] 2. Gilbert Montgomerie, b. Abt 1050 [Father: natural] > 3. Aimeria Montgomerie, b. Abt 1051 [Father: natural] Family ID F708 Group Sheet | Family Chart Last Modified 6 Sep 2025
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Event Map 
Birth - 1020 - Saint-Germain-de-Montgommery, Calvados, Normandy, France 
Death - Cause: Poisoned by Mabel - 1063 - Shrewsbury, Shropshire, England = Link to Google Earth Pin Legend 
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Folios 
T H Montgomery - Pages 009-013 ; -I-V
Genealogical History of the Family of Montgomery
[I - V] Earliest Ancestors
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Sources - [S340] Montgomery, Thomas Harrison, Genealogical History of the Family of Montgomery, (Name: Printed for Private Circulation; Location: Philadelphia; Date: 1868;), Pages 009-013; I - V Earliest Montgomerys https://www.ancestry.com/search/collections/12151/?count=50&f-F00032DB=9.
Book found at Ancestry.com
https://www.ancestry.com/search/collections/12151/
Electronic Book .PDF 170 pages
a_genealogical_history_of_the_family_of_.pdf
https://www.ancestry.com/search/collections/12151/?count=50&f-F00032DB=9 - [S3767] De Boever, Luc, The Montgommerys from the Vikings to our Present Day, (Name: l'Imprimerie Moderne de Bayeux; Location: Bayeux, France; Date: 2018;), Part 2, Section 8 Pages 35-40 Roger II Montgomerie.
- [S2784] Barns-Graham, Peter, Stirnet, (Name: Stirnet; Location: stirnet.com;), Montgomery 01 Accessed KRM 14 Nov 2020 8:45am https://www.stirnet.com/genie/data/british/mm4fz/montgomery01.php.
Roger Montgomerie II
Montgomery of Arundel, Montgomery of Shrewsbury, Counts of Alencon, Counts of Belesme, Counts of Ponthieu
https://www.stirnet.com/genie/data/british/mm4fz/montgomery01.php - [S273] Montgomery, Bo-Gabriel de, Origin and History of the Montgomerys, (Name: William Blackwood and Sons, Ltd; Location: Edinburgh and London; Date: 1948;), Chapter (Page 044) Roger II - Montgomerys of Normandy.
This book is available electronically on ancestry.com
- [S340] Montgomery, Thomas Harrison, Genealogical History of the Family of Montgomery, (Name: Printed for Private Circulation; Location: Philadelphia; Date: 1868;), Pages 009-013; I - V Earliest Montgomerys https://www.ancestry.com/search/collections/12151/?count=50&f-F00032DB=9.