Isabella II was Queen of Spain from 1833 until her deposition in 1868. She is the only queen regnant in the history of unified Spain.
Isabella was the elder daughter of King Ferdinand VII and Queen Maria Christina. Wikipedia
Born: October 10, 1830, Royal Palace of Madrid, Madrid, Spain
Died: April 9, 1904 (age 73 years), Paris, France
Children: Alfonso XII, Infanta Isabel, Countess of Girgenti, Infanta Eulalia of Spain, and more
Grandchildren: Alfonso XIII, Princess Pilar of Bavaria, Infanta María Teresa of Spain, and more
Parents: Ferdinand VII and Maria Christina of the Two Sicilies
Spouse: Francisco de Asís, Duke of Cádiz (m. 1846–1902)
Great grandchildren: Infante Juan, Count of Barcelona, Infante Jaime, Duke of Segovia, Infanta Beatriz of Spain, and more