Roger Federer has a career Grand Slam, as well, when he won the French Open in 2009, the only Grand Slam event that alluded him up until that time. He also has won 3 out of 4 calendar GS’s three times in his career.
Looks like wikipedia has a love affair with Federer.
https://en.wikipedia.org/wiki/Roger_Federer_career_statistics
https://en.wikipedia.org/wiki/List_of_career_achievements_by_Roger_Federer