Top seeds Lisa Raymond of the United States and Samantha Stosur of Australia won the French Open women's doubles title in straight sets.
Raymond and Stosur were runners-up at the Australian Open
They beat fifth-seeded pair Daniela Hantuchova of Slovakia and Ai Sugiyama of Japan 6-3 6-2.
It is the second Grand Slam title for the pairing after victory in last year's US Open.
Raymond becomes the 13th woman in the professional era to win all four Grand Slam titles.
She won the Australian Open in 2000 and Wimbledon and the US Open the following year.