Only legitimate quesitons will be answered. As of Rafael Nadal is the type to keep to himself we cannot designate any information about his siblings. They will remain anonymous. Wikipedia will hold your answer but not information on his siblings. If you're willing to do your own research than ask questions about his siblings then do so.
Rafael Nadal has a very famous uncle, he used to play football for Barcelona in the 1990 , under Cruyff,He was also called the beast of Barcelona.
June 3, 1986.
Rafa's favorite color is yellow.
Yes, very much. Unless they're really busy (which I assume they're not, at the moment), it's likely that they'll be in Paris with him for the French Open.
June 3, 1986
June 4th 1986.
No, "uncles" does not have an apostrophe. An apostrophe is used to indicate possession or to form contractions, but in the case of "uncles," it is simply a plural noun.
Professional tennis player Rafael Nadal is mentored by the one and only, Toni Nadal, his uncle. Fun Fact: When Rafa was younger, Toni Nadal (who coached him back then as well) switched Rafa from being right-handed to left-handed, as he thought lefty's had an advantage in tennis.