Prince Henry, Duke of Gloucester of King George V and Queen Mary. His widow became the longest-lived member of the British royal family in history. Prince Henry was born on 31 March 1900, at York Cottage, on the Sandringham Estate during the reign of his great-grandmother Queen Victoria. His father was the Duke of York (later King George V), the eldest surviving son of the Prince and Princess of Wales (later King Edward VII and Queen Alexandra). His mother was the Duchess of York (later Queen Mary), the only daughter of the Duke and Duchess of Teck. At the time of his birth, he was
Royal descendants of Queen Victoria and King Christian IX of Hesse-Kassel. Thus King Christian IX of Denmark and his wife Louise of Hesse-Kassel were second cousins to each other and third cousins to Queen Victoria. Royal descendants of Queen Victoria and King Christian IX The royal descendants of Victoria (Queen of the United Kingdom) and of Christian IX (King of Denmark) currently occupy the thrones of Belgium, Denmark, Luxembourg, Norway, Spain, Sweden and the United Kingdom. At the outbreak of the First World War their grandchildren occupied the thrones of Denmark, Greece, Norway, Germany, Romania, Russia, Spain and the United Kingdom. For this, Queen Victoria was nicknamed "the grandmother