Geoffrey De Geneville
Geoffrey was born about 1226 in Dublin, Ireland.  He died on October 21st, 1314.

 Maud De Lacy
Maud was born before 1230 in Dublin, Ireland.  She died on April 11th, 1304.

 Geoffrey De Geneville
Geoffrey was born about 1254 in Trim, County Meath, Ireland.  He died before October 11th, 1283.

 Gautier De Geneville
Gautier was born about 1256 in Trim, County Meath, Ireland.  He died after April 18th, 1303 in Lassee, Artois, France.

 Piers De Geneville
Piers was born in 1256 in Trim, County Meath, Ireland.  He died at the age of 36 in June 1292.

 Jehan De Geneville
Jehan was born about 1258 in Trim, County Meath, Ireland.  He died in Vaucouleurs, Departmente de Meuse, Champagne, France.

 Joan De Geneville
Joan was born about 1266 in Vaucouleurs, Meuse, France.  She died in King's County, Ireland.

 Simon De Geneville
Simon was born about 1278 in Trim, County Meath, Ireland.  He died after April 24th, 1309 in Culmullin, Count Meath, Ireland.