Thomas DE CLARE Lord of Thomond

  General Notes:

Thomas de Clare, Lord of Inchiquin and Youghal (c. 1245 - 29 August 1287) was a Hiberno-Norman peer and soldier. He was the second son of Richard de Clare, 6th Earl of Gloucester and his wife Maud de Lacy, Countess of Gloucester. On 26 January 1276 he was granted the lordship of Thomond by Edward I of England; he spent the next eight years attempting to conquer it from the O'Brien dynasty, kings of Thomond.

Thomas married Juliana FITZGERALD of Offaly, daughter of Maurice FITZGERALD 3rd Lord of Offaly and Maud DE PRENDERGAST, in Feb 1275. (Juliana FITZGERALD of Offaly was born in 1263 and died on 24 Sep 1300.)