Giles De Argentin
Giles was born in 1210 in Wymondley, Hertford, England.  He died at the age of 80 in 1290.

 Margery De Aiguillon
Margery was born in 1224.  She died at the age of 84 in 1308.

 Reginald De Argentin
Reginald was born in 1255 in Wymondley, Hertford, England.