Complex sentence: Miller was born in Manhattan and attended the prestigious Convent of the Sacred Heart, the daughter of model Bonnie Trompeter; and is the niece of actress Susan Saint James and NBC sports executive Dick Ebersol.
Split into simpler sentences: Miller was born in Manhattan and attended the prestigious Convent of the Sacred Heart. Sher is the daughter of model Bonnie Trompeter; and is the niece of actress Susan Saint James and NBC sports executive Dick Ebersol.