Thomas de Clare, Lord of Thomond Irish noble (1300–1287) Parents Maud de Lacy, Countess of Gloucester Richard de Clare, 6th Earl of Gloucester Children Maud de Clare Gilbert de Clare, Lord of Thomond Margaret de Clare, Baroness Badlesmere Richard de Clare, Steward of Forest of Essex Siblings Rohese de Clare Lady Isabel de Clare Margaret de Clare Bogo de Clare Gilbert de Clare, 7th Earl of Gloucester Partners Juliana FitzGerald, Lady of Thomond