Right answer:
Si tus padres están divorciados y los dos contraen segundas nupcias el esposo de tu madre es tu padrastro y tu eres su hijastro. La esposa de tu padre es tu madrastra y el hijo de ella es tu medio hermano.
- Padrastro means stepfather
- Hijastro means stepson
- Madrastra means stepmother
- Medio hermano means half brother.
In English, this sentence means:
If your parents are divorced and both get remarried, your mother's husband is your stepfather and you are his stepson. Your father's wife is your stepmother and her son is your half brother.