have (something, etc.) to do with somebody / something
What’s that got to do with it?
¿Y eso qué tiene que ver?
What’s it got to do with you?
¡Y a ti qué te importa!
That’s got nothing to do with it.
Eso no tiene nada que ver.
She won’t have anything to do with him.
No quiere tener nada que ver con él.
I think they’ve got some connection with the Sánchez family.
Creo que tienen algo que ver con la familia Sánchez.