Richard de Manteacuro, of whom it is recorded, that in the 2nd year of Henry II, 1156, he paid œ20 into the king's exchequer for the ancient pleas; and 7th of Henry II, 1161, upon the collection of scutagehen levied, he paid 20 marks for the Knight's fees, which he at that time held, soon after which he died leaving issue his son Drue, who was called "Drogo Juvenis", or Young.
(Kin of Mellcene Thurman Smith, page 488)