Complex sentence: Dayton was born in Minneapolis, Minnesota to Gwendolen May (née Brandt) and Bruce Bliss Dayton; he is a great-grandson of businessman George Dayton.
Split into simpler sentences: Dayton was born in Minneapolis, Minnesota, the son of Gwendolen May (née Brandt) and Bruce Bliss Dayton. He is a great-grandson of businessman George Dayton.