The eldest son of Maurice ap Ellis and his wife (Ellen, daughter of Sir John Puleston) was Sir William Maurice (1542-1622) (q.v.), whom., as his first wife, Margaret, daughter of John Wynn Lacon, Porkington (now called Brogyntyn) and Llanddyn, and one of the children of this marriage was captain ELLIS MAURICE (1568-?), who fought for queen Elizabeth in Ireland; the heiress of Ellis Maurice was Margaret, who m. (1) John Jones, Wern, Penmorfa — see Wynn family of Peniarth; and (2) Ellis Anwyl, Parkie, Caerns.
Sir William Maurice was succeeded at Clenennau by his grand-daughter, ELLIN MAURICE (1578-1626), heiress of Clenennau, Porkington, and Llanddyn, daughter of William Wynn Maurice (who had d. in 1568, i.e., before his father, Sir William Maurice), and Mary, daughter of John Lewis, Chwaen, Anglesey. Ellin Maurice m. (1) John Owen, secretary to Sir Francis Walsingham, and son of Owen ap Robert, Bodsilin, Caerns., and (2) Sir Francis Eure (d. 1621), chief justice of North Wales. By her first husband she was the mother of three sons and five daughters. The three sons were colonel Sir John Owen (d. 1666) (q.v.), colonel Sir WILLIAM OWEN (d. 1670 or 1671), Porkington, who defended Harlech castle for Charles I, and Maurice Owen, to whom his mother gave lands in Anglesey. The heir of Sir John Owen was WILLIAM OWEN (buried 30 Jan. 1667/8). He m. Catherine, only child of Lewis Anwyl, Parc, Llanfrothen (see the article on that family); his heir was Sir ROBERT OWEN, Clenennau, Porkington, and Llanddyn. Sir Robert Owen was Member of Parliament for Merioneth from 1681 to 1685 and member for Caernarvonshire at the time of his death. His wife was MARGARET, eldest daughter and heiress of Owen Wynne, Glyn (Cywarch), Merioneth. For references to later members of the Owen family, i.e., descendants of Sir Robert and Lady Owen, see the article entitled Wynne and Owen families, Glyn (Cywarch) and Brogyntyn, and for a detailed study of the manner in which the Clenennau estate was formed and consolidated, see the work by T. J. Pierce mentioned below.
Sir William Llewelyn Davies, M.A., LL.D., F.S.A. (1887-1952), Aberystwyth