Complex sentence: His father was Superintendent of the local public schools, who suffered an untimely, early death in 1958, and his mother was an elementary and high school music & English teacher, and a performing violinist.
Split into simpler sentences: His father was Superintendent of the local public schools, who suffered an untimely, early death in 1958. His mother was an elementary and high school music & English teacher, and a performing violinist.