Complex sentence: However, following Cardinal Mazarin's death, Louis installs himself in full power as the king in 1661 and he is now at stake with the religious establishment created and controlled by his mother Anne of Austria (Colette Emmanuelle) at the Palais-Royal.
Split into simpler sentences: However, following Cardinal Mazarin's death, Louis installs himself in full power as the king in 1661. Louis is now at stake with the religious establishment created and controlled by his mother Anne of Austria (Colette Emmanuelle) at the Palais-Royal.