Complex sentence: Rosen's wife of 19 years, the former Teresa (Terry) Ann Blumberg, died on May 3,1971; he's been married to his second wife, Rita (née Kallman), for over 37 years.
Split into simpler sentences: Rosen's wife of 19 years, the former Teresa (Terry) Ann Blumberg, died on May 3,1971. Rosen and his second wife, Rita (née Kallman), have been married for over 37 years.