Ranulph Dacre Trevor-Roper (1893-1975) (1893–1975) Parents Dacre Trevor-Roper Louisa Wanklyn Children Helen Bennetta Trevor-Roper Anthony Dacre Trevor-Roper Joan Everilda Trevor-Roper Robert ffarington Trevor-Roper Siblings Margaret Roper Trevor-Roper Hubert Trevor-Roper Mary Trevor-Roper Henry Blayney Trevor-Roper Lennard Carew Trevor-Roper Partners Joan Fraser Woodcock