Baron John D'Arcy
Baron John was born in 1290 in Kildare, Ireland.  Baron John is no longer alive.

 Emmeline Heron
Emmeline was born in 1291 in Hedleston, Northumberland, Eng.  She died before September 6th, 1323.

 Baron John D'Arcy
Baron John was born in 1317 in Knayth, Lincoln, Eng.  He died at the age of 38 on March 5th, 1355 in Crecy, France.