His mother was Gwendolene Dorothy, daughter of Harry Wyndham Jefferson.
His father had died while on active service in the First World War and in May 1925, aged 15, he succeeded his grandfather in the barony[1] Commissioned as a Second lieutenant in the Territorial Army (TA) shortly before the outbreak of World War II, de Ramsay served in 86th (East Anglian) (Hertfordshire Yeomanry) Field Regiment, Royal Artillery.
In 1956 Lady de Ramsey created a Lady Chapel at the Church of St Thomas à Becket, Ramsey, as a thanksgiving gift for the safe return of her husband from a Japanese Prisoner of War camp.
[4] Lord de Ramsey married Lilah Helen Suzanne, daughter of Francis Anthony Labouchere, on 27 July 1937.
Lord de Ramsey survived her by six years and died in March 1993, aged 83.