Louis IV, Grand Duke of Hesse
Louis married Princess Alice of the United Kingdom.  She was the third child of Queen Victoria of the United Kingdom and her husband, Prince Albert. Louis and Alice had 7 children: Victoria Marchioness Milford Haven, Grand Duchess Elizabeth Feodorovna of Russia, Princess Irene of Hesse and by Rhine, Ernest Ludwig Grand Ludwig of Hesse, Prince Friedrich, (Alix of Hesse) Empress of Russia, and  Princess Marie.