NRS 33.540: “Family or household member” defined.

“Family or household member” means, with respect to an adverse party, any:

1. Person related by blood, adoption or marriage to the adverse party within the first degree of consanguinity;

2. Person who has a child in common with the adverse party, regardless of whether the person has been married to the adverse party or has lived together with the adverse party at any time;

3. Domestic partner of the adverse party;

4. Person who has a biological or legal parent and child relationship with the adverse party, including, without limitation, a natural parent, adoptive parent, stepparent, stepchild, grandparent or grandchild;

5. Person who is acting or has acted as a guardian to the adverse party; or

6. Person who is currently in a dating or ongoing intimate relationship with the adverse party.