Complex sentence: Following this, Dondi was portrayed simply as an adopted child, although in the early 1960s there was a reference to his being an orphan of the Korean War and in the mid- 1970s there was a reference to his being from Vietnam.
Split into simpler sentences: Following this, Dondi was portrayed simply as an adopted child, although in the early 1960s there was a reference to his being an orphan of the Korean War. During the mid- 1970s, there was a reference to his being from Vietnam.