You can create as many Relationship Categories as you wantlike.

Watch the walkthrough

https://www.loom.com/share/109268b80ca94e2489bb6af98ca7201e

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1. Go to My Apps in the top menu

2. Select Contacts

3. Select the More Options button

4. Select Relationship Categories in the dropdown list

5. Select Create Relationship Category

6. Add in the two titles for each side of the Relationship, e.g. Father & Son

7. Press Save

8. You return to the Manage Relationship Categories page.

Now that the Relationship Category is created, you can use that Relationship to link two contacts together or to link a contact and a user