Ronald Strutt, 4th Baron Belper British Baron (1912-1999) (1912–1999) Parents Eva Primrose, Countess of Rosebery Algernon Strutt, 3rd Baron Belper Children Richard Henry Strutt, 5th Baron Belper Siblings Michael Strutt Lady Mary Primrose Lavinia Fitzalan-Howard, Duchess of Norfolk Neil Primrose, 7th Earl of Rosebery Desmond Strutt Peter Algernon Strutt Partners Zara Mainwaring