Most Grand Slam tournament wins by a men's doubles partnership

Most Grand Slam tournament wins by a men's doubles partnership
Who
John Newcombe, Tony Roche
What
12 total number
When
1965
The most Grand Slam Tournament wins by a men's doubles partnership is 12 by John Newcombe (Australia) and Tony Roche (Australia) who won five Wimbledon titles, four Australian Open titles, two French Open titles and one US Open title between 1965 and 1976.