Complex sentence: Born Rosita Christiane Yvette Luchaire in Paris, she was the daughter of journalist and politician Jean Luchaire, who supported the Vichy regime's "Révolution nationale".
Split into simpler sentences: Born Rosita Christiane Yvette Luchaire in Paris, she was journalist and politician Jean Luchaire's daughter. He supported the Vichy regime's "Révolution nationale".