Mary Joan Petch (born 1929) (b. 1929) Parents Esther Godfrey Coffin Walter Henry Oliver Petch Children Graham Edward Bettison Diane Barbara Bettison Marice Margaret Bettison Siblings Beatrice Petch Patrick Petch Walter Ivan Petch Loe Florence Petch Jeanette Agnes Lillian Naureen Petch Henry Oliver Petch John Petch Raymond Joseph Petch Ruth Constance Petch Jeanette Rose Petch Partners Edward James Bettison