Complex sentence: Albertine Sarrazin (17 September 1937--10 July 1967) was a French author most famous for her semi-autobiographical novel "L'Astragale".
Split into simpler sentences: Albertine Sarrazin (17 September 1937--10 July 1967) was a French author. She was best known for her semi-autobiographical novel "L'Astragale".