A sister saves her brothers, a love is found, lost, and found again, and you put an “o” in front of everything to be polite.
It was the poem she had written.
Esa carta tenía el poema 
que ella le envió al joven.
La carta era el poema que ella misma 
le había entregado al muchacho.
Lá estava o poema 
que ela tinha escrito.