Barnaby Kay was born on born 9 April 1969 in St Pancras, London to actor Richard Kay (1937–1985), and Venetia Maxwell.
Meet Richard Kay and Venetia Maxwell
Richard Kay was a British actor who lived from 1937 to 1987. He was born in Newcastle-upon-Tyne and attended Leighton Park School before attending Emmanuel College in Cambridge. He is most remembered for his roles in Déjà Vu (1985), Three Sisters (1970), and Wuthering Heights (1978). He was featured in Coronation Street and Juliet Bravo, among other shows, on television.
Venetia Maxwell was born in 1941 in Amersham, Buckinghamshire, England, UK. She is an actress, known for Doomwatch (1970), Brideshead Revisited (1981) and Brett (1971). She was married to Richard Kay.