Isabella II of Spain

Doa Isabel II was queen regnant of Spain from 1833 until 1868. She came to the throne as an infant, but her succession was disputed by the Carlists, who refused to recognize a female sovereign, leading to the Carlist Wars. After a troubled reign, she was deposed in the Glorious Revolution of 1868, and formally abdicated in 1870. Her son Alfonso XII became king in 1874.

Isabel was born in Madrid in 1830, the eldest daughter of King Ferdinand VII of Spain, and of his fourth wife and niece, Maria Christina of BourbonTwo Sicilies. Queen Maria Christina became regent onSeptember 1833, when her threeyearold daughter Isabel was proclaimed sovereign on the death of the king.

Source: Wikipedia