Roger D'Arcy
Roger was born in 1240.  He died at the age of 44 on May 12th, 1284.

 Isabel d' Aton
Isabel was born in 1252.  Isabel is no longer alive.

 John D'Arcy
John was born in 1283 in Kneyth,Lincolnshire,England.  He died at the age of 64 on May 30th, 1347.