Louis IV (; 12 September 1837 – 13 March 1892) was the Grand Duke of Hesse and by Rhine from 13 June 1877 until his death in 1892. Through his marriage to Queen Victoria's second daughter Alice, he was connected to the British royal family. Two of his daughters married into the House of Romanov. Early life Louis was born at the Prinz-Karl-Palais in Darmstadt, the capital of the Grand Duchy of Hesse and by Rhine in the German Confederation, the first son and child of Prince Charles of Hesse and by Rhine (23 April 1809 – 20 March 1877) and Princess Elisabeth of Prussia (18 June 1815 – 21 March 1885), granddaughter of King Frederick William II of Prussia. As his father's elder brother Louis III (1806-1877), the future Grand Duke of Hesse and by Rhine, had been married to his first wife since 1833 without legitimate children and from 1868 was married morganatically, Prince Louis was from birth third-in-line to the grand ducal throne, after his uncle and father. First marriage On 1 July 1862, Louis married Princess Alice, a daughter of Queen Victoria of the United Kingdom, at Osborne House on the Isle of Wight. On the day of the wedding, the Queen issued a royal warrant granting her new son-in-law the style of Royal Highness in the United Kingdom. The Queen also subsequently made Prince Louis a knight of the Order of the Garter. Although an arranged marriage orchestrated by the bride's father Albert, Prince Consort, the couple did have a brief period of courtship before betrothal and wed willingly, even after the death of the Prince Consort left Queen Victoria in a protracted state of grief that cast a pall over the nuptials. Becoming parents in less than a year following their marriage, the young royal couple found themselves strapped financially to maintain the lifestyle expected of their rank. Princess Alice's interest in social services, scientific development, hands-on child-rearing, charity and intellectual stimulation were not shared by Louis who, although dutiful and benevolent, was bluff in manner and conventional in his pursuits. The death of the younger of their two sons, Frittie, who was afflicted with hemophilia and suffered a fatal fall from a palace window before his third birthday in 1873, combined with the wearying war relief duties Alice had undertaken in 1870, evoked a crisis of spiritual faith for the princess in which