Sir John de Welles
Sir John was born in 1327.  He died at the age of 94 on February 26th, 1421.

 Margaret de Mowbray
Margaret was born in 1335.  Margaret is no longer alive.

 Sir Eudo de Welles
Sir Eudo was born in 1357 in England.  He died at the age of 53 in 1410.