She was d of Lt-Gen Sir Richard Alan FYFFE KBE CB DSO MC 1912-72 and Diana Gwyneth 1912-2002 d of Maj Joseph Gwyn MOORE-GWYN 1879-1937 sometime head of that Welsh gentry family f/o Dyffryn and Olive GILBERTSON 1881-1946. She m 1968 Capt Andrew Thomas b 1941 s of FM Sir Francis Wogan FESTING GCB KBE DSO 1902-76 sometime head of that gentry family of Birks and Mary Cecilia 1906-92 d of Cuthbert David Giffard RIDDELL 1868-1937 sometime head of that gentry family of Felton & Swinburne and his 2nd w Evelyn Mary 1876-1932 d of Matthew LIDDELL 1850-1934 scion of that gentry family of Warwick-on-Eden and his 1st w Hannah Delaval ADAMSON 1853-1910, and had a dau:
1. Charlotte Diana b 1974 reg Q4 Bucks: m 2002 Hon Robert Mungo HEPBURNE-SCOTT b 1974 yr s of 11th Lord POLWARTH b 1947 and Isabel Anna b 1947 d of Maj John Freville Henry SURTEES MC 1919-96 scion of that gentry family f/o Redworth and Audrey Mildred 1922-2018 d of Maj Basil Baillie FALKNER 1892-1965 of Goromonzi, Rhodesia (now Zimbabwe, his m was Violet Maud Mary BAILLIE 1870-1935 scion of that family in Burke’s Family Records), and had two sons and a dau.