Princess Henriëtte van Nassau-Weilburg, then van Nassau was a daughter of Prince Charles Christian, Duke of Nassau-Weilburg and Carolina of Orange-Nassau, daughter of William IV, Prince of Orange. Queen Elizabeth II of the United Kingdom is her descendant through Francis, Duke of Teck, Henriette's grandson. Prince Philip, Duke of Edinburgh is her descendant through her granddaughter Princess Alexandra of Saxe-Altenburg, who is the grandmother of Prince Andrew of Greece and Denmark. Juan Carlos I of Spain is a descendant of her granddaughter Archduchess Elisabeth Franziska of Austria, the grandmother of Alfonso XIII of Spain.