Thomas married Joan De Burgh on 16 Aug 1312 in Greencastle, Ireland. Joan (daughter of Earl of Ulster RICHARD De BURGH, II and MARGARET De BURGH) was born about 1300 in Ulster, Ireland; died on 23 Apr 1359 in Friars Church, Minors, Kildare, Ireland; was buried in Kildare, Ireland. [Group Sheet] [Family Chart]