Frederick Francis George Hennessy (1906-1969) (1906–1969) Parents George Hennessy, 1st Baron Windlesham Ethel Mary Wynter Children Peter Grant Auguste Hennessy Maunagh Jean Hennessy Siblings James Hennessy, 2nd Baron Windlesham Noreen Madeleine Mary Hennessy Dorothy Lucy Hennessy Kathleen Irene Mary Hennessy Violet Ethel Mary Hennessy Partners Merritt Jean Longsdon