In fact the letters were not letters. They were roman numerals.Looks like the numbers are coordinates, Carolina. You are right. Maybe it's the coordinates to find the treasure. The girls decided to find the coordinates. They came to a long hallway and opened the door to the hallway. As they opened it, the Pirates had already arrived.
Espero haber ayudado!
Jose- abuelo
Paloma- abuela
Ernesto- padre
Maria- madre
Salvador- tío
Rosa- tía
Renaldo- hermano
Juanita- prima
Pedro- primo
Te dejare elegir la pelicula pero, como esta cerrado aver si tu tienes un plan B para donde me vas a llevar.