In Spain we have 2 last names:
- first last name from last name first of the father.
- second last name from the last name first of the mother.
And with this method we have collisions.
In Portugal the last name come from the mothers.
- first last name from last name first of the father.
- second last name from the last name first of the mother.
And with this method we have collisions.
In Portugal the last name come from the mothers.