It means, "Whose friend are you?"
"Eres de Cuba" in Spanish means "You are from Cuba." It is a statement asking about someone's nationality or place of origin.
"eres es de estados unidos" translates to "you are from the United States" in English.
quien es la amiga de Jose means who is a friend of Jose
"Quien es de Cuba" translates to "Who is from Cuba" in English. It is a question asking for the identity or origin of someone with ties to Cuba.
"¿De dónde es tu amigo?" in Spanish translates to "Where is your friend from?" It is a question asking about the nationality or place of origin of your friend.
It means: from who friend
And where are you from, my friend?
Quien eres = Who are you Como te llamas = What is your name y de donde eres = and where are you from
¿Quién eres? Soy la mama de... It means, "Who are you? I'm the mama [mother] of..." After the 'de', you'd expect to see the name of a child.
That says "I want to know who you are and where you are from. "
They mean 'where are you my love' from (looks like text speak - should be 'quien' not 'kien'! and 'and where are you from'.
"De quien" means from who?; "De quien(?)-whose(?)";
"De quien" means "from whom"
Me alegro de que tú eres mi amigo
¿De dónde es / son / eres / sois?"de donde eres?" (where are you from?)
de donde eres = where are you from
example sentences: Tú eres mi amigo. (You are my friend.) ¿Quién eres tú? (Who are you?) Eres de los estados unidos. (You are from the US.) ¿Cómo eres tú? (What are you like?) Tú eres alto. (You are tall.)