 Maria Clementina was a younger sister of Marie Louise, Empress of France, Ferdinand I of Austria, and Maria Leopoldina, Empress of Brazil.She was also an older sister of Marie Caroline, Crown Princess of Saxony, Archduke Franz Karl of Austria, and Archduchess Maria Anna of Austria.Through her sister, Marie Louise, she was a sister-in-law of Napoleon I of France; through Maria Leopoldina a sister-in-law of Peter I of Brazil (IV of Portugal); through Marie Caroline a sister-in-law of Frederick Augustus II of Saxony.