Complex sentence: Rescued by Jean Valjean and raised by him as his own offspring, she grows up in a convent school to become a radiant and innocent young beauty, who falls in love with Marius Pontmercy, a young lawyer.
Split into simpler sentences: Rescued by Jean Valjean, who raises her as if she were his own family, she grows up in a convent school to become a radiant and innocent young beauty. She falls in love with Marius Pontmercy, a young lawyer.