Complex sentence: He is the brother of Oscar winning documentary maker Kevin Macdonald and is the grandson of English actress Wendy Orme and Hungarian-born Oscar winning film-maker Emeric Pressburger.
Split into simpler sentences: He is the brother of Oscar winning documentary maker Kevin Macdonald. His maternal grandparents were English actress Wendy Orme and Hungarian-born Oscar winning film-maker Emeric Pressburger.