John FitzThomas FitzGerald, Lord of Offaly, 1st Earl of Kildare, was born circa 1250 to Thomas FitzGerald (c1242-1271) and Rohesia de St. Michael and died 10 September 1316 Laraghbrine of unspecified causes. He married Blanche de La Roche . Charlemagne (747-814)/s.
|Thomas FitzGerald (c1280-1328)||1280||9 April 1316 Maynooth||Joan de Burgh (c1300-1359)|
|Joan FitzGerald (c1282-1320)||1282||2 May 1320||Edmund Butler (c1270-1321)|