Sir Ralph "the Old" de Vernon
Ralph "the Old" was born in of Shipbrook, Cheshire, England.  He died after 1326.

 Mary de Dacre
Mary is no longer alive.

 Agatha de Vernon
Agatha was born in of Shipbrook, Cheshire, England.

 Rohese de Vernon
Rohese was born in of Shipbrook, Cheshire, England.¹ 

 Thomas de Vernon
He died before 1336.