Richard Plantagenet of York
He died in 1460 in Wakefield.

 Cecily Neville
Cecily is no longer alive.

 Edward IV of England
Edward IV of was born on April 28th, 1442 in Rouen, France.  He died at the age of 40 on April 9th, 1483 in Westminster Abbey, London, England.

 Richard III of England
Richard III of was born on October 2nd, 1452 in Fotheringhay Castle, Northants, England.  He died at the age of 32 on August 22nd, 1485 in Bosworth Field, Leicestershire, England.

 George of Clarence
He died in 1478 in Murdered in the Tower of London.