Who is the winner of eight grand slam tournaments?

The tennis Grand Slam tournaments, consisting of the Australian Open, French Open, Wimbledon, and US Open, were won by many players. The list of players who won more than eight grand slams is lengthy, as it involves men's and women's singles, doubles, and mixed doubles, as well as juniors and seniors. Since the question does not limit the players, refer to the Wikipedia link, below, for links corresponding to this list, although it does not include seniors.