Lady Antoinette Conyngham (1923-1959) (1923–1959) Parents Frederick Conyngham, 6th Marquess Conyngham Antoinette Conyngham, Marchioness Conyngham Children Bernard Croft, 3rd Baron Croft Charlotte Croft Siblings Frederick Conyngham, 7th Marquess Conyngham Lord John Conyngham Partners Michael Croft