"Tienes" means "you have" or "do you have".
Tienes un hermano in English means have a brother.
Assuming you mean:"¿Tienes hermanos, tíos, abuelos?" That means: "Do you have brothers [or siblings], uncles, grandparents?"
tienes animales en casa?meansdo you have any animals at home?
It means "You have brown hair". For the question "¿Tienes pelo castaño?", the translation is "Do you have brown hair".
Tiene / tienen / tienes / tenéis
"Primos tienes" means "Do you have cousins?" in Spanish.
si can be "if" or "yes" tienes comes from tener which mean "to have" there it can be either "if you have" or "yes you have/you do have"
As a question ¿Tienes Primos? = Do you have cousins? As a statement: Tienes primos. = You have cousins.
Cual almuerzo tienes = what lunch do you have?
buenos = good (masculine plural)tienes = you have
have have
You have.
tienes un amigo = you have a friend ¿Tienes tú amigo?= Do you have a friend?
Tienes un hermano in English means have a brother.
do you have a world?
You have a partner.
Do you have a social network or mail