World of HYDE

Discovering our Ancestors and their descendants to all parts of the world. Last updated 5th September 2025

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Isabel Marshal, Countess Of Hertford

Isabel Marshal, Countess Of Hertford

Female 1200 - 1240  (39 years)

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  • Name Isabel Marshal 
    Suffix Countess Of Hertford 
    Birth 9 Oct 1200  Pembroke Castle, Pembrokeshire, Wales Find all individuals with events at this location 
    Christening Apr 1206  Saint David's, Pembrokeshire, Wales Find all individuals with events at this location 
    Gender Female 
    Name Isabel Marshal 
    _AMTID 192683701864:1030:204653251 
    _COLOR 25 
    _FSFTID LBLR-MF7 
    _UID 8BF5A96B2EB24FD68A8766A396D04ADA3DEC 
    Burial 1240  Beaulieu Abbey, Brockenhurst, Hampshire, England Find all individuals with events at this location 
    Death 17 Jan 1240  Berkhamstead Castle, Herfordshire, England Find all individuals with events at this location 
    Cause: Isabel died of liver failure, contracted while in childbirth 
    Person ID I51208  World of Hyde
    Last Modified 15 May 2025 

    Father Sir William Marshall, 1st Earl Of Pembroke,   b. 12 May 1146, Pembroke, Pembrokeshire, Wales Find all individuals with events at this locationd. 14 May 1219, Caversham Reading Borough, Berkshire, England Find all individuals with events at this location (Age 73 years) 
    Mother Isabel De Clare, 4th Countess Of Pembroke,   b. Feb 1172, Pembroke Castle, Pembrokeshire, Dyfed, Wales Find all individuals with events at this locationd. 14 May 1220, Pembroke, Pembrokeshire, Wales Find all individuals with events at this location (Age ~ 48 years) 
    Marriage 8 Aug 1189  London, Middlesex, Englalnd Find all individuals with events at this location 
    Family ID F15546  Group Sheet  |  Family Chart

    Family 1 Gilbert De Clare, 5th Earl Of Gloucester,   b. 1180, Hertford, Hertfordshire, England Find all individuals with events at this locationd. 25 Oct 1230, Penros, Brittany, France Find all individuals with events at this location (Age 50 years) 
    Marriage 9 Oct 1223 
    Children 
     1. Amice De Clare, Countess Of Devon,   b. 27 May 1220, Plumpton, Yorkshire, England Find all individuals with events at this locationd. Bef 21 Jan 1284, Plumpton, Yorkshire, England Find all individuals with events at this location (Age < 63 years)
     2. Isobell De Clare, Of Gloucester And Hartford,   b. 2 Nov 1226, Tewkesbury, Gloucestershire, England Find all individuals with events at this locationd. 10 Jul 1264, Cleveland, Yorkshire, England Find all individuals with events at this location (Age 37 years)
     3. Richard De Clare, 5th Earl Of Hereford 6th Earl Of Gloucester,   b. 4 Aug 1222, Clare Castle, Clare, Suffolk, England Find all individuals with events at this locationd. 14 Jul 1262, Waltham, Canterbury, England Find all individuals with events at this location (Age 39 years)
     4. William De Clare,   b. 18 May 1228, Gloucestershire, England, United Kingdom Find all individuals with events at this locationd. 23 Jul 1258, Berwickshire, Scotland Find all individuals with events at this location (Age 30 years)
     5. Agnes De Clare,   b. 1229, Gloucestershire, England, United Kingdom Find all individuals with events at this locationd. 26 Dec 1261, England, Unitd Kingdom Find all individuals with events at this location (Age 32 years)
     6. Gilbert De Clare,   b. 13 Sep 1229, Gloucestershire, England, United Kingdom Find all individuals with events at this locationd. Aft 1241, Gloucestershire, England, United Kingdom Find all individuals with events at this location (Age > 13 years)
    Family ID F15567  Group Sheet  |  Family Chart
    Last Modified 5 Sep 2025 

    Family 2 Richard Plantagenet, 1st Earl Of Cornwall,   b. 5 Jan 1209, Winchester, Hampshire, England Find all individuals with events at this locationd. 2 Apr 1272, Berkhamstead Castle, Hertfordshire, England Find all individuals with events at this location (Age 63 years) 
    Marriage 30 Mar 1231  Fawley, Buckinghamshire, England Find all individuals with events at this location 
    Children 
     1. Sir Henry Plantagenet, Of Cornwall,   b. 2 Nov 1235, Hailes Abbey, Hailes, Gloucestershire, England Find all individuals with events at this locationd. 13 Mar 1271, Viterbo, Lazio, Italy Find all individuals with events at this location (Age 35 years)
     2. Nicholas Plantagenet, Of Cornwall,   b. 17 Jan 1240, Berkhamstead Castle, Buckinghamshire, England Find all individuals with events at this locationd. 17 Jan 1240, Berkhamsted, Hertfordshire, England Find all individuals with events at this location (Age 0 years)
    Family ID F28333  Group Sheet  |  Family Chart
    Last Modified 5 Sep 2025 

  • Event Map
    Link to Google MapsBirth - 9 Oct 1200 - Pembroke Castle, Pembrokeshire, Wales Link to Google Earth
    Link to Google MapsMarriage - 30 Mar 1231 - Fawley, Buckinghamshire, England Link to Google Earth
     = Link to Google Earth