John Bonville
John was born in 1371.  He died at the age of 25 in 1396.

 Elizabeth FitzRoger
Elizabeth was born in 1370.  She died at the age of 44 in 1414.

 Sir William Bonville, 1st Lord Bonville
William was born on August 30th, 1393 in Chute, Devon, England.  He died about February 18th, 1460.