Question

If im saying "my brother and i," which pronoun do i use

Answer 1

Nosotros

Step-by-step explanation:

My brother and I went to the park.

Nosotros fuimos al parque.

Answer 2

I would say "Nosotros" (us) if that is what you need . if you neeed to translate it it  would be : "Mi hermano y yo". I hope this helped