Complex sentence: MacLeod was born as Allan George See in Mount Kisco, New York, the older of two children, born to Margaret (née Shea) See (1906--2004), a middle school dropout, who worked for "Reader's Digest".
Split into simpler sentences: MacLeod was born as Allan George See in Mount Kisco, New York, the older of two children. His mother, Margaret (née Shea) See (1906--2004), a middle school dropout, worked for "Reader's Digest".