Venus and Serena Williams won their eighth Grand Slam doubles title with victory at the 2009 Australian Open.
The sisters claimed their third doubles trophy in Melbourne, by defeating Daniela Hantuchova of Slovakia and Japan's Ai Sugiyama 6-3 6-3.
Venus and Serena breezed through the first set. In the second set there was more fight as the pairs exchanged breaks six times in nine games before the Americans came through.
"I'd like to thank Serena for being the best partner," said Venus. "I wouldn't want to play with anyone else. She's amazing."