Harold Nicolson's son Nigel Nicolson wrote "Portrait of a Marriage".
This book describes the marriage of Nigel's parents, writer Vita Sackville-West and diplomat-politician Harold Nicolson.
Reportedly, both Nigel and his father Harold had a gay relationship with James Pope- Hennessy. (Tatler)
After Nigel's parents died Nigel found a diary containing an autobiographical account of Vita's affair with Violet Trefusis. Vita also had an affair with Virginia Wolf and others.