(Caterina de' Medici) 1518–89, queen of Henry II of France (mother of Francis II, Charles IX, and Henry III).
Also, Cath⋅er⋅ine de' Med⋅i⋅ci /ˈkæθrɪn də ˈmɛdɪtʃi,ˈmeɪdɪ-,deɪ,ˈkæθərɪn/Show Spelled Pronunciation[kath-rin duhmed-i-chee,mey-di-,dey,kath-er-in]Show IPA, Catherine de Medici.
[katuh-reen duh mey-dee-sees] 
) 1518–89, queen of Henry II of France (mother of Francis II, Charles IX, and Henry III).