Complex sentence: His mother, Kathlyn Corinne ("née" MacLean), who was Canadian, was a teacher from Nova Scotia, and his father, Ira Owens Beaty, had a PhD in educational psychology, was a public school administrator, and dealt in real estate.
Split into simpler sentences: His mother, Kathlyn Corinne ("née" MacLean), was Canadian and a teacher from Nova Scotia. His father, Ira Owens Beaty, had a PhD in educational psychology and worked as a public school administrator, in addition to dealing in real estate.