The Spanish words for "How is your family?" are, "¿Cómo está su familia?" The words are pronounced, "KO-mo eh-STAH sue fah-ME-lee-ah." Sites such as learn-spanish.co.il provide audio pronunciations of many common Spanish words.
i am fine = estoy bien
family
Estoy bien means I'm fine in Spanish.
They are fine = Ellos son buenos
I am sure you will do fine in Spanish is Estoy seguro de que lo hará bien
Estoy bien.
tu estas bien
Translation: Estoy bien
Estoy bien.
se le multa
To say the words 'we are family' in Spanish you say 'somos familia'. To say these words in Italian you say 'siamo una famiglia'.
Extended family in Spanish is familia extensa.