Navigate to your Facebook profile.
On Facebook’s desktop version, selectProfileat the top of your Facebook page.
In the app, selectMore(three horizontal lines) and then tap onSee your profile.

(In the app, selectSee Your About Info.)
SelectFamily and Relationshipsin the left column.
(In the app, scroll down toFamily Members.)
SelectAdd a family member.
Enter the name of your family member and select your relationship.
Select an audience to be able to view this information.
Choose fromPublic,Friends,Only Me, orCustom.
You’ve added the family member, but that person’s status will showPendinguntil they confirm the relationship.
It’s up to you how much information you want to reveal publicly.
TheFamily and Relationshipssection, underRelationship, is also where youadd or change your relationship status.