John De Argentin
John was born in 1288 in Wymondley, Hertford, England.  He died at the age of 30 in 1318.

 Agnes De Bereford
Agnes was born in 1296.  She died at the age of 79 in 1375.

 John De Argentin
John was born in 1318 in Wymondley, Hertford, England.  He died at the age of 64 in 1382.