Earl of Cornwall Robert de Mortain

1031 - 1090  (59 years)

• Name	Robert de Mortain  [1, 2, 3, 4, 5, 6, 7]
  Title	Earl of Cornwall
  Birth	1031	Haute-Normandie, France   [3, 6]
  Gender	Male
  Fact 1	Half Brother of WIlliam I the Conqueror  [2, 6, 7]
  Title	Count of Mortain
  Burial	1090	Abbey of Grestain, Fatouville, Eure, Haute-Normandie, France   [3, 6]
  		de Mortain, Robert (1031-1090) Maintained by: Anne Shurtleff Stevens Originally Created by: Jerry Ferren Added: 26 Jan 2012 Find a Grave Memorial 84024717
  Death	8 Dec 1090	Haute-Normandie, France   [3, 6]
  Person ID	I1629	MontyHistNotes_II
  Last Modified	6 Sep 2025

  
  

  Father	Harlevin de Counteville,   b. 1001, France d. 1066, Mortain, Manche, Basse-Normandie, France (Age 65 years)
  Relationship	natural
  Mother	Harlette de Falaise,   b. 1003, Falaise, Calvados, Basse-Normandie, France d. 1050, Mortagne, Orne, Basse-Normandie, France (Age 47 years)
  Relationship	natural
  Family ID	F2782	Group Sheet  |  Family Chart

  
  

  Family	Matilda Maud Montgomerie,   b. 1041, Mortagne, Orne, Basse-Normandie, France d. 1085, Mortagne, Orne, Basse-Normandie, France (Age 44 years)
  Marriage	1066  [4]
  Family ID	F657	Group Sheet  |  Family Chart
  Last Modified	6 Sep 2025

  
  

• Event Map		Burial - 1090 - Abbey of Grestain, Fatouville, Eure, Haute-Normandie, France  = Link to Google Earth
  Pin Legend	: Address       : Location       : City/Town       : County/Shire       : State/Province       : Country       : Not Set

  
  

• Histories		Earl of Cornwall Website link to article in "Wikipedia"
  		de Mortain, Robert (1031-1090) Website link to article in "Wikipedia"

  
  

  Photos

  de Mortain, Robert (1031-1090)

  
  

  Folios

  T H Montgomery - Pages 013-026 ; VI Genealogical History of the Family of Montgomery [VI] Roger de Montgomerie

  
  

• Sources

  [S3755] Biographical Information from Wikipedia, (Name: Wikipedia; Location: en.wikipedia.org;), Montgomerie, Robert II (1022-1094) Accessed KRM 10 Nov 2020 11:16am https://en.wikipedia.org/wiki/Roger_de_Montgomery en.wikipedia.org. https://en.wikipedia.org/wiki/Roger_de_Montgomery [S340] Montgomery, Thomas Harrison, Genealogical History of the Family of Montgomery, (Name: Printed for Private Circulation; Location: Philadelphia; Date: 1868;), Pages 013-026; VI Roger de Montgomerie https://www.ancestry.com/search/collections/12151/?count=50&f-F00032DB=13. 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=13 [S3768] Abbey of Grestain, (Name: Findagrave; Location: Fatouville, Eure, Haute-Normandie, France;), de Mortain, Robert (1031-1090) Memorial #84024717 Accessed KRM 14 Nov 2020 8:24am https://www.findagrave.com/memorial/84024717/robert_de-mortain. Abbey of Grestain Fatouville-Grestain, Departement de l'Eure, Haute-Normandie, France https://www.findagrave.com/cemetery/2354713/abbey-of-grestain https://www.findagrave.com/memorial/84024717/robert_de-mortain [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 [S3770] Wikipedia Listing of Earls, (Name: Wikipedia; Location: en.Wikipedia.org;), Earl of Cornwall Accessed KRM15 Nov2020 8:16am https://en.wikipedia.org/wiki/Earl_of_Cornwall en.wikipedia.org. https://en.wikipedia.org/wiki/Earl_of_Cornwall [S3755] Biographical Information from Wikipedia, (Name: Wikipedia; Location: en.wikipedia.org;), de Mortain, Robert (1031-1090) Accessed KRM 15 Nov2020 8:56am https://en.wikipedia.org/wiki/Robert,_Count_of_Mortain en.wikipedia.org. https://en.wikipedia.org/wiki/Robert,_Count_of_Mortain [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