"Tres Sorores" is the phrase for three sisters in Latin.
A person can say "my sister" in Latin by saying "sororem." The Latin word for sister is sorella, while the Latin word for brother is frater.
Literally, Habeo unam sororem. But Est mihi soror una ("there is to me one sister") is more idiomatic. But with correct Latin word order, unam sorōrem habeō.
In latin, it would be " sosores peccatum".
Tres filiae.
Sorores.
Tua soror.
Tres/tria.
sorores tres
Tres.
Tre systrar
Tres hermanas.
You can use three words to say mentor in Latin. They are "suasor", "consiliarius" or "auctor".
"Forever sisters!" in English is Aeternum soror! in Latin.
J'ai trois soeurs.
amor trium
Tres liberi.
Tres oculi
You could say "Tres hermanas embarazadas".
Trois soeurs restaurant.