Princess Louise Margaret was born at Marmorpalais (Marble Palace) near Potsdam, Kingdom of Prussia. Her father was Prince Friedrich Karl of Prussia (1828–1885), the son of Karl of Prussia (1801–1883) and his wife Princess Marie of Saxe-Weimar-Eisenach (1808–1877).
Lady Louise Alice Elizabeth Mary Mountbatten-Windsor (born 8 November 2003), generally known as Lady Louise Windsor, is the elder child of Prince Edward, Earl of Wessex and Forfar, and Sophie, Countess of Wessex and Forfar, both members of the British royal family. She is a granddaughter of Queen Elizabeth II and Prince Philip, Duke of Edinburgh.
Louise of Hesse-Kassel Signature Alexandra of Denmark (Alexandra Caroline Marie Charlotte Louise Julia; 1 December 1844 – 20 November 1925) was Queen of the United Kingdom and the British Dominions , and Empress of India , from 22 January 1901 to 6 May 1910 as the wife of King-Emperor Edward VII .
Princess Augusta of Hesse-Kassel (Augusta Wilhelmina Louisa; 25 July 1797 – 6 April 1889) was the wife of Prince Adolphus, Duke of Cambridge, the tenth-born child, and seventh son, of George III of the United Kingdom and Charlotte of Mecklenburg-Strelitz.
Princess Marie Luise Charlotte of Hesse-Kassel (9 May 1814 – 28 July 1895). Married Prince Frederick Augustus of Anhalt-Dessau. Louise of Hesse-Kassel (7 September 1817 – 29 September 1898). Married King Christian IX of Denmark. Friedrich Wilhelm (26 November 1820 – 14 October 1884). Head of House of Hesse-Kassel.
Her father was the eldest son of King Christian IX of Denmark and Louise of Hesse-Kassel, and her mother was the only daughter of King Charles XV of Sweden and Norway and Louise of the Netherlands. She was baptised with the names Louise Caroline Josephine Sophie Thyra Olga , and was known as Princess Louise (namesake of her mother, as well as her paternal and maternal grandmothers).
Louise of Hesse-Kassel (1817–1898), daughter of Prince William of Hesse and Charlotte of Denmark. A German princess by birth and in 1863 became the Queen to King Christian IX of Denmark. Louise of Mecklenburg-Güstrow (1667–1721) was Queen of Denmark and Norway as the first spouse of King Frederick IV of Denmark.