Mariana Thérèse of Denmark (Reign of Kings)

Mariana Thérèse of Denmark (29 September 1853 – 26 February 1933) known before her marriage as Princess Thyra of Denmark, a Danish princess, became Queen of Spain and Portugal, and the Spanish and Portuguese Dominions as spouse of King Alfonso XII (reigned 1904–1915). She was the youngest daughter and fifth child of Christian IX of Denmark and Louise of Hesse-Kassel. Thyra was the younger sister Frederick VIII of Denmark, Queen Alexandra of the United Kingdom, George I of Greece, Empress Maria Feodorovna of Russia and an elder sister of Prince Valdemar of Denmark.