Which tennis player was born first out of Menno Oosting and Anna-Lena Grönefeld?
Menno Oosting: Menno Oosting (17 May 1964 – 22 February 1999) was a professional tennis player from the Netherlands, who won seven ATP Tour doubles titles out of 18 finals in his career. Anna-Lena Grönefeld: Anna-Lena Grönefeld (born 4 June 1985) is a German tennis player.
i don't know