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Lord Gilbert of Thomond De Clare

Gilbert was born about 1281. Gilbert's father is Gov Thomas of London De Clare and his mother is Julianna FitzMaurice of Offaly Fitzgerald. His paternal grandparents are Earl Richard of Gloucester & Hertford De Clare and Maud De Lacey; his maternal grandparents are Maurice Fitz Maurice and Emmeline Longspee. He has a brother and two sisters, named Richard, Maud and Margaret. He had two half-brothers named Richard and Thomas De.

Ancestor Pedigree Chart
- Earl Roger of Hertford De Clare ^*
  - b.~  1116 d.~  1173
  
  Earl Richard of Hereford De Clare
  - b.~  1153
  
  Maud De St Hilaire
  
  Earl Gilbert of Gloucester De Clare
  - b.~  1182
  
  Amice De FitzRobert
  
  Earl Richard of Gloucester & Hertford De Clare
  - b.~  1222
  
  John FitzGILBERT le MARECHAL; `the Marshall'; (of Rockley)^*
  - b.1106 in Normandy, France d.1164
  
  Earl William  the Protector de Marshall
  - b.1146 d.14 May 1219
  
  Sibile Sibyl De Vere  Deever D'evereaux
  
  Countess Isabel Le of Cornwall Marshall
  - b.~  1200
  
  Earl Richard FitzGilbert Stongbow of Pembroke De Clare ^*
  
  Isabel De Clare
  
  Aoife MacMurrough ^*
  
  Gov Thomas of London De Clare
  - b.~  1244
  
  John De Lacey
  - b.1192
  
  Maud De Lacey
  - b.~  1223
  
  Margaret De Quincy
  - b.1208
  
  Lord Gilbert of Thomond De Clare
  - b.~  1281
  
  Maurice Fitz Maurice
  
  Julianna FitzMaurice of Offaly Fitzgerald
  
  Emmeline Longspee
  - b.~  1250
  
  ^*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)

Details of Gilbert's family with Isabella