Complex sentence: Steven Clark Rockefeller (born April 19,1936), a fourth-generation member of the Rockefeller family and a former dean of Middlebury College, is a philanthropist who focuses on education, Planned Parenthood, human rights and environmental causes.
Split into simpler sentences: Steven Clark Rockefeller (born April 19,1936) is a fourth-generation member of the Rockefeller family, and a former dean of Middlebury College. Rockefeller is a philanthropist who focuses on education, Planned Parenthood, human rights and environmental causes.