Infanta Isabel Maria of Braganza was a Portuguese infanta and fourth daughter of King John VI of Portugal and his wife Carlota Joaquina of Spain. She acted as regent for her brother Pedro IV and for her niece Maria II in 1826-1828. Wikipedia
Born: July 4, 1801, Queluz National Palace, Queluz, Portugal
Died: April 22, 1876 (age 74 years), Lisbon, Portugal
Parents: John VI of Portugal and Carlota Joaquina of Spain
Full name: Isabel Maria da Conceição Joana Gualberta Ana Francisca de Assis de Paula de Alcântara Antónia Rafaela Micaela Gabriela Joaquina Gonzaga de Bragança e Bourbon
Grandparents: Maria I of Portugal, Peter III of Portugal, Charles IV of Spain, and more
Great-grandparents: José I of Portugal, John V of Portugal, Mariana Victoria of Spain, and more