Edmund Crouchback Earl Of Lancaster Plantagenet
He died on June 5th, 1296.

 Blanch Princess D' Artois
Blanch Princess was born in 1245.  She died at the age of 57 on May 2nd, 1302.

 Henry Plantagenet , Earl of Lancaster
Henry was born in 1281.  He died at the age of 64 on September 22nd, 1345 in Crecy.