The president of the Rehearsal Club came into royalty because of his marriage to which person?
Prince Christian of Schleswig-Holstein Prince Christian of Schleswig-Holstein (Frederick Christian Charles Augustus; 22 January 1831 – 28 October 1917) was a minor Danish-born German prince who became a member of the British Royal Family through his marriage to Princess Helena of the United Kingdom (25 May 1846 – 9 June 1923), the fifth child and third daughter of Queen Victoria and Prince Albert of Saxe-Coburg-Gotha.
Princess Victoria of Saxe-Coburg-Saalfeld Princess Victoria of Saxe-Coburg-Saalfeld (17 August 1786 – 16 March 1861), later Duchess of Kent and Strathearn, was a German princess and the mother of Queen Victoria of the United Kingdom. As the widow of Charles, Prince of Leiningen (1763–1814), from 1814 she served as regent of the Principality during the minority of her son from her first marriage, Carl, until her second wedding in 1818.