Complex sentence: She was baptised under the name of "Anne Marie Louise" in the Louvre Palace on 17 July 1636, at the age of nine, her godparents being her aunt, Anne of Austria and the Cardinal Richelieu.
Split into simpler sentences: She was baptised under the name of "Anne Marie Louise" in the Louvre Palace on 17 July 1636, at the age of nine. Her godparents were her aunt, Anne of Austria and the Cardinal Richelieu.