Keynes was born in
Cambridge, England. He was the son of the Hon. Anne Pinsent (née Adrian) and physiologist
Richard Keynes. His maternal grandparents were
Hester Adrian, Baroness Adrian, mental health worker, and
Edgar Adrian, 1st Baron Adrian, electrophysiologist and recipient of the 1932 Nobel Prize for Physiology. His paternal grandfather was the surgeon
Geoffrey Keynes, brother to the economist
John Maynard Keynes. Randal Keynes was the brother of two Cambridge professors,
Simon (historian) and
Roger (medical scientist). Randal Keynes had two children with Zelfa Cecil Hourani, also from a prominent intellectual family, originally
from Lebanon. Hourani's father, Cecil, was an advisor to the late Tunisian president
Habib Bourguiba, and his two brothers were
Albert, a major historian of the Middle East, and
George, philosopher, historian, and classicist. Randal and Zelfa's son,
Skandar Keynes (born 1991), is a political advisor and former actor best known for his role as
Edmund Pevensie in the
Narnia films. Their daughter,
Soumaya Keynes (born 1989), is an economics journalist and has hosted podcasts for
The Economist and
Financial Times. == Life and career ==