Complex sentence: Louk Sanders (born 9 May 1950 in Oegstgeest, Zuid-Holland) is a retired professional tennis player from the Netherlands, who was Holland's second best in the 1970s after Tom Okker.
Split into simpler sentences: Louk Sanders (born 9 May 1950 in Oegstgeest, Zuid-Holland) is a retired professional tennis player from the Netherlands. Sanders was Holland's second best in the 1970s after Tom Okker.