Copy of a card found pinned inside an old grandfather clock at Plas Mawr, Conway, giving a pedigree of the Owen family of Llanrwst, four members of whom were clockmakers: Watkin Owen ('era 1660 - 70), his son, John Owen (1722 - 50), grandson, Watkin Owen II (1740 - 80), and grand nephew, John Owen, junior. n.d.