¿Cuál es su / tu / vuestro restaurante favorito?
¿Qué lugar le / les / te / os gusta más?
¿Cuál es tu estación favorita?
¿De dónde es / son / eres / sois?"de donde eres?" (where are you from?)
Specifically for a family relationship, you can ask "¿Cuál es tu parentesco conmigo?".
It certainly is!
Ask them.
One way to tell might be if they wear clothes of certain colors most of the time or just simply ask them.
To ask if someone is hungry in Spanish, you can say, "¿Tienes hambre?" which translates to "Are you hungry?" Alternatively, you could also say, "¿Tú tienes hambre?" for a more informal approach. This question is commonly used in casual conversations.
Jamaica is my guess. Ask her.
Ask them for it.
In Spanish, you would say "¿Cuál es tu cosa favorita?" to ask someone what their favorite thing is.
Ask them, or search for them on Yahoo.
Ask them.