Complex sentence: Born Marguerite Valois in Saint-Germain-en-Laye in 1553 and nicknamed'Margot' by her brothers, she was the daughter of Henri II and Catherine de Medici.
Split into simpler sentences: Born Marguerite Valois in Saint-Germain-en-Laye in 1553, she was nicknamed'Margot' by her brothers. She was the daughter of Henri II and Catherine de Medici.