Complex sentence: Frew Donald McMillan (born 20 May 1942) is a former professional male tennis player from South Africa who won five major doubles championships including three Wimbledons with Bob Hewitt.
Split into simpler sentences: Frew Donald McMillan (born 20 May 1942) is a former professional male tennis player from South Africa. He won five major doubles championships including three Wimbledons with Bob Hewitt.