Daughter of famed author E M Delafield
, Rosamund Dashwood was born in a small village in Devonshire. Her father, Col. A.P. Dashwood, was an engineer. During World War II, Rosamund joined the WAAF, working with the newly-invented and top secret radar. After the war, she attended Oxford University, where she met her future husband, Leslie Truelove. After living in England, New Zealand and Scotland, the couple settled in Vancouver, Canada, with their four sons. Rosamund discovered a talent and consuming passion for distance running. She completed several marathons and held four gold medals from the World Seniors' Games in the USA.