He was educated at Foyle College , Londonderry ; Wraxall Hall School , Wiltshire ; and , from 1823 to 1825 , at Addiscombe Military Seminary , Croydon , Surrey .
He was educated at Foyle College , Londonderry ; Wraxall Hall School , Wiltshire ; and , from 1823-5 , at Addiscombe Military Seminary , Croydon , Surrey .