Complex sentence: Ogier is married to producer and director Barbet Schroeder by whom she had two children, including daughter Pascale (1958-1984), who adopted her mother's professional surname "Ogier" was also an actress.
Split into simpler sentences: Ogier is married to producer and director Barbet Schroeder by whom she has two children. One, daughter Pascale, who adopted her mother's professional surname "Ogier" was also an actress.