Family: Gilbert De Clare / Isabel Marshall (F15118)
m. 1217
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Male
Gilbert De Clare
Birth 1180 Pembroke, Pembrokeshire, Wales 
Christening 15 Nov 1226 Death 25 Oct 1230 La Grée-Saint-Laurent, Morbihan, Brittany, France Burial 10 Nov 1230 Tewkesbury, Gloucestershire, England Marriage 1217 Tewkesburg Abbey, Gloucestershire, England Father Richard de Clare, 3rd Earl of Hertford | F14911 Group Sheet Mother Amice Meullent Fitzwilliam FitzRobert, Countess of Gloucester | F14911 Group Sheet
Female
Isabel Marshall
Birth 9 Oct 1200 Pembroke Castle, Pembrokeshire, Wales Christening Apr 1206 St Davids, Pembrokeshire, Wales Death 17 Jan 1240 Berkhamsted, Hertfordshire, England Burial Jan 1240 Brockenhurst, Hampshire, England Father William Marshall, 4th Earl of Pembroke | F15134 Group Sheet Mother Isabel De Clare, Countess of Pembroke | F15134 Group Sheet
Female
Amice de Clare
Birth 27 May 1220 Plumpton by Ecclesall, Yorkshire, England, United Kingdom Death Bef 21 Jan 1284 Plumpton by Ecclesall, Yorkshire, England, United Kingdom Burial
Male
Richard de Clare, 6th Earl of Gloucester
Birth 4 Aug 1222 Clare, Suffolk, England Death 14 Jul 1262 Canterbury, Kent, England Burial 29 Jul 1262 Tewkesbury Abbey, Tewkesbury, Gloucestershire, England, United Kingdom
Female
Isabel Clare Of Gloucester And Hertford
Birth 2 Nov 1226 Tewkesbury, Gloucestershire, England Death 10 Jul 1264 Yorkshire, England Burial 1264 Redcar, Yorkshire, England, United Kingdom Spouse Sir Robert de Brus, 5th Lord of Annandale | F15108 Marriage 12 May 1240 Annandale, Dumfrieshire, Scotland
Male
William de Clare
Birth 18 May 1228 Gloucestershire, England, United Kingdom Death 23 Jul 1258 Berwickshire, Scotland Burial 23 Jul 1258 Hastings, Sussex, England, United Kingdom
Female
Agnes de Clare
Birth 18 May 1228 Gloucestershire, England, United Kingdom Death 26 Dec 1261 England, United Kingdom Burial
Male
Gilbert DeClare
Birth 1229 Hertfordshire, England Death Aft 1241 Gloucestershire, England Burial