Sara Errani and Roberta Vinci picked up their first doubles major just last June, yet in following up that French Open triumph with victories at the US Open in September and then the Australian Open last week they have entered some rare company.

The Italians are just the ninth team to hold at least three of the major titles at once. Here is a list of all nine of those duos along with their best stretch of Grand Slam success:

Navratilova & Shriver:
8 out of 8 (1983 Wimbledon, 1983 US Open, 1983 Australian Open, 1984 French Open, 1984 Wimbledon, 1984 US Open, 1984 Australian Open, 1985 French Open)

Fernández & Zvereva:
6 out of 6 (1992 French Open, 1992 Wimbledon, 1992 US Open, 1993 Australian Open, 1993 French Open, 1993 Wimbledon)

Williams & Williams:
4 out of 4 (2009 Wimbledon, 2009 US Open, 2010 Australian Open, 2010 French Open)

Novotna & Sukova:
3 out of 3 (1990 Australian Open, 1990 French Open, 1990 Wimbledon)

Novotna & Hingis:
3 out of 3 (1998 French Open, 1998 Wimbledon, 1998 US Open)

Court & Wade:
3 out of 4 (1973 Australian Open, 1973 Wimbledon, 1973 US Open)

Novotna & Sánchez-Vicario:
3 out of 4 (1994 US Open, 1995 Australian Open, 1995 Wimbledon)

Ruano Pascual & Suárez:
3 out of 4 (2004 Australian Open, 2004 French Open, 2004 US Open)

Errani & Vinci:
3 out of 4 (2012 French Open, 2012 US Open, 2013 Australian Open)