Roger de Fiennes
Roger was born before 1400.  He died in 1484.

 Elizabeth de Holland
Elizabeth was born about 1389 in Brackley, Northamptonshire, England.  She died after November 18th, 1449.

 Richard Fiennes
Richard was born about 1430 in Hurstmonceaux/Hurstmoncene, Sussex, England.  He died on December 25th, 1483.