I think if you are the parent, you should be allowed to request a DBS on your children's partners.
Safety of not just your own daughter, but yourself and family too.
You practically can, there’s Sarah’s Law and Clairs Law.
Won’t show up shoplifting or anything irrelevant, but it will show up even non convictions, just accusations, from other women.
It’s very very difficult to secure a domestic abuse conviction, especially with the state of police and courts now, but if someone’s got a non molestation or restraining on them, it’s a pretty big hint they are a wrongun, and they will show up.