Roger I de Gernon , of Galway, Sir
Roger I de was born about 1150 in Stanstead, Essex, England.  He died in Galway, Connaught, Ireland.

 Roger II Gernon , of West Lavington, Sir Knight
Roger II was born about 1185 in Chilworth, Thame, Oxfordshire, England.  He died after 1226 in West Lavington, Devizes, Wiltshire, England.

 Robert de Gernon , of Galway, Sir
Robert de was born about 1190 in Galway, Connaught, Ireland.  He died about 1211.