Sir Robert Howard II
Sir Robert was born in 1384 in England.  He died before 1436 in England.

 Lady Margaret Mowbray

 Sir John Howard V, Knight of The Garter, 1st Duke of Norfolk
Sir John was born in 1421 in County Essex, England.  He died at the age of 64 on August 22nd, 1485 in Bosworth Field, England.