According to Wikipedia (refer to the links, below),
the two tennis players are not related.
Liezel Huber is South African born and a citizen of the United States.
Anke Huber is German born and lives in Germany.
Liezel Huber was born on 1976-08-21.
Anke Huber was born on 1974-12-04.
Anke
Women's Singles: Serena Williams Women's Doubles: Cara Black and Liezel Huber
Cara Black was born in Harare, Zimbabwe on February 17th 1979. She is currently the World's top doubles tennis player with her partner Liezel Huber from the USA. Official website: www.blackandhuber.com
Liezel Martinez was born on March 27, 1967.
Anke Syring's birth name is Anke Stegmller.
The mens singles winner was Novak Djocovik and the mens doubles winners were Rick de Voest and Dmitry Tursunov. The womens singles winner was Venus Williams and the womens doubles winners were Cara Black and Liezel Huber.
Anke Engelke's birth name is Anke Christina Engelke.
Anke Engelke was born on December 21, 1965.
Anke - aka - Anke Christina Engelker, though born in Canada, is a German comedian and actress.
In singles, Venus Williams defeated Marion Bartoli 6-4, 6-1. In doubles, Cara Black and Liezel Huber defeated Ai Sugiyama and Katarina Srebotnik 3-6, 6-3, 6-2.