Her father left 5 daughters his coheirs. 1. Helen, wife of Gerald de la Roche 2. Denise or Dionis, wife of William de Cantelou: she died without heirs 3. Isabel, wife of Geoffrey of Norragh, living 15 Aug 1247, 4. Margery, wife of John fitzThomas and 5. Desiree, living 21 Nov 1237, wife of Stephen l'Arcedekne, living 14 Feb 1242/3.
In 1231 these 5 daughters and their husbands paid their reliefs for their purparties of the lands of Thomas FitzAnthony in Leinster and county Waterford. (Pipe Roll [I], 16 Hen. III - Report on Public Records [I], 1810-1815, pp. 334-5). It is stated in the Ch. Inq. p. m. on John de Prendegaste, Edw. I, file 20, no. 11, that Gerald, Geoffrey and Stephen, above-named, were against the King at the battle of Kildare [Cuirrech Liffe, i.e. the Curragh of Kildare, 1 Apr 1234, where Richard, Earl Marshal, was mortally wounded], and therefore were unable to obtain their purparties of Decies and Desmond.

Daughter and co-heir of Sir Thomas FitzAnthony, Lord of the Decies and Desmond.