King of Munster Muirchertach O Brien

Male 1030 - 1119  (89 years)


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  • Name Muirchertach O Brien  [1, 2, 3, 4, 5
    Title King of Munster 
    Birth 1030  Clare, Ireland Find all individuals with events at this location 
    • Munster
    Gender Male 
    Occupation Moncarch of Ireland  [1
    Death 1119  Waterford, Ireland Find all individuals with events at this location  [1
    • Lismore
    Person ID I7903  Presidents and Royalty
    Last Modified 24 Apr 2024 

    Father Toirrdelbach O Brien,   b. 1009, Clare, Ireland Find all individuals with events at this locationd. 14 Jul 1086, Clare, Ireland Find all individuals with events at this location (Age 77 years) 
    Relationship natural 
    Mother Derbforgaill Na Ossory,   b. 1000, Ireland Find all individuals with events at this locationd. 1098, Ireland Find all individuals with events at this location (Age 98 years) 
    Relationship natural 
    Family ID F5168  Group Sheet  |  Family Chart

    Family Dubhchobhleigh Na Ossory,   b. 1050, Ossory,,,Ireland Find all individuals with events at this locationd. 1098 (Age 48 years) 
    Children 
    +1. Princess Lafracoth O'Brien,   b. 1076, Pembrokeshire, Wales Find all individuals with events at this locationd. 1135, Pembrokeshire, Wales Find all individuals with events at this location (Age 59 years)  [Father: natural]
    Family ID F5169  Group Sheet  |  Family Chart
    Last Modified 24 Apr 2024 

  • Event Map
    Link to Google MapsBirth - 1030 - Clare, Ireland Link to Google Earth
    Link to Google MapsDeath - 1119 - Waterford, Ireland Link to Google Earth
     = Link to Google Earth 

  • Sources 
    1. [S776] Browning, Charles H, Americans of Royal Descent, (Name: Name: Porter and Coates; Location: Philadelphia, PA; Date: 1883;;), Americans_of_Royal_Descent_ed_by_C_H_Bro.;pdf Available on Google Books Pedigree XXX Campbell Pages 123-128.

    2. [S777] Montgomery, Thomas Harrison, Genealogical History of the Family of Montgomery, (Name: Printed for Private Circulation; Location: Philadelphia; Date: 1868;), Electronic Book .PDF 170 pages a_genealogical_history_of_the_family_of_.pdf.

    3. [S724] thePeerage.com, (Name: thePeerage.com; Location: http://thepeerage.com;), Montgomerie Arnulph #266792 http://thepeerage.com/p26680.htm#i266792.

    4. [S1054] Burke, Sir Bernard, Dormant, Abeyant, Forfeited, and Extinct Peerages, (Name: Burke's Peerage; Location: London, England; Date: 1883;), Available on CD Rom 7367 Notable British Families.

    5. [S872] Montgomery, Bo-Gabriel de, Origin and History of the Montgomerys, (Name: William Blackwood and Sons, Ltd; Location: Edinburgh and London; Date: 1948;), Chapter (Page 101) Montgomerys, Earls of Eglinton.
      This book is available electronically on ancestry.com