It literally translates to "I good and yourself, who are you?" lol. I guess someone can't write in Spanish. 'soy bien' means 'I'm good', so I think that's what you meant to ask.
Apparently, it is a response to a "How are you?" question. "Muy bien, y usted como esta?" means "Very well, and you, how are you?"
estoy bien gracias y used means I am well thanks and you
Who do you frequently write letters to?
"How are you today?" muy bien y usted Bien, gracias ¿Y usted? or Muy bien, gracias. ¿Y usted?
It means "you will be well".
"quienes usted" can be roughly translated into "who are you?"
"De quien" means from who?; "De quien(?)-whose(?)";
it mean "Who do you like to go to the movies with?" or something like that. break the sentence up to help you figure it out.
"Con quien estas" translates to "who are you with" in English.
"De quien" means "from whom"
"Hola quien eres" translates to "hello who are you" in English.
"Quien cumple años" in English means "who is having a birthday."