The marriage between her father and mother was unhappy, Carlota Joaquina attempting to have King John VI deemed insane.

[citation needed] Upon their arrival, Carlota and her children were forced to shave their heads and wear white muslin hats.

On 22 February 1816 marriage contracts between Ferdinand VII of Spain and Maria Isabel were officially signed; they would soon marry 29 September 1816.

[citation needed] When they started cutting her stomach to extract the dead fetus, she suddenly shouted in pain and collapsed on her bed, bleeding heavily.

[2] Queen Maria Isabel's dedication and affection for art led her to gather many treasures from the past and create a royal museum, which would end up being the beginnings of Museo del Prado.