Are both Tom Okker and Kim Clijsters Belgian tennis players?
Tom Okker Thomas Samuel Okker (born 22 February 1944) is a former Dutch tennis player. He was ranked among the world's top 10 singles players for seven consecutive years, 1968–74, reaching a career high of World No. 3 in 1969. He also was ranked World No. 1 in doubles in 1969.
Marcel Granollers Marcel Granollers Pujol (] , ] ; born 12 April 1986) is a tennis player from Spain who turned professional in 2003. He reached his career-high singles ranking of World No. 19 in July 2012, and his highest doubles ranking of World No. 4 in February 2013. Granollers has won 4 singles titles and 13 doubles titles, including the 2012 ATP World Tour Finals. His brother Gerard Granollers is also a tennis player.