Claim: With a natural affinity for music at an early age, Hilary du Pré married Christopher Finzi in 1921 who, allegedly with his wife's consent, Finzi had a romantic affair with his ailing sister-in-law, Jackie.
Evidence: Du Pré was married to conductor Christopher Finzi, the son of composer Gerald Finzi, from 1961 until his death in 2019. 
Christopher Finzi
​ ​(m. 1961; died 2019)​ 
Hilary married Christopher Finzi in 1961 and lived with him in Hampshire with their family.