In 1760 Maria married her uncle Pedro , younger brother of her father Jose I . They had six children , of whom the eldest surviving son succeeded Maria as João VI on her death in 1816 .
She grew up during the dominating ( ( Marquis ) of Pombal In 1760 Maria married her uncle Pedro , younger brother of her father Jose I . They had six children , of whom the eldest surviving son succeeded Maria as João VI on her death in 1816 .