Thomas De Clare
Thomas De was born in 1245 in Of, Tonbridge, Kent, England.  He died at the age of 42 on August 29th, 1287 in Of, Thomond, Connaught, County Clare, Ireland.

 Julian Fitzmaurice
Julian was born about 1249 in , Dublin, Dublin, Ireland.  She died after 1309 in Thomond, Connaught, Clare, Ireland.

 Margaret De Clare
Margaret De was born in Thomond, Connaught, County Clare, Ireland.  She died in 1333 in Of Castle, Badlesmere, Kent, England.