Background
He was the second son of the Swedish diplomat Carl Emmanuel de Geijer and his English wife, Lila Lucy, née White (daughter of William Arthur White).
He was the second son of the Swedish diplomat Carl Emmanuel de Geijer and his English wife, Lila Lucy, née White (daughter of William Arthur White).
Wellington College.
He was a cadet in the Wellington College Contingent of the Officer Training Corps. In 1914 he was naturalized as a subject of the United Kingdom, serving in the British Army during the First World War. Initially a second lieutenant in the Hampshire Regiment, from February 1917 he was attached to the Grenadier Guards, serving with distinction.
On 19 October 1926 he was appointed to the College of Arms as Rouge Dragon Pursuivant.
In 1929 he became a Fellow of the Society of Antiquaries of London. He was a trustee of the Catholic Record Society.
He died intestate on 14 January 1941. At the time of his death, his address was Little Bowstridge, Chalfont Street Giles, Buckinghamshire.