 A. Peden Ltd.In 1935, Prior-Palmer married firstly Katherine Edith, daughter of Frank Bibby, and with her had one daughter, Anne.In 1948, he married secondly Lady Doreen Hersey Winifred Hope, younger daughter of Victor Hope, 2nd Marquess of Linlithgow, and they had one son, Simon Erroll (born 1951), and one daughter, Lucinda Jane (born 1953).