A relative is a person related to you by blood or marriage. A good example for a relative Sims is your Sims' child. You can either adopt or make your own child once you've reached level 8 lover relationship, however; there is a set of conditions that you need to attain for you to do that. At first, children are only part of interactions, but they will also rise and can be part of your playable Sims.
Best Traits
Icon
Trait/Benefit
Generous These Sims give a bit better daily Login Rewards
Lucky These Sims occasionally give you bonus XP while at home
Flirty These Sims get a bonus every now and then when being flirty with others
Good These Sims occasionally get a bonus when being friendly with others
Mean These Sims get a bonus every now and then when being insulting with others
Alluring These Sims are a bit better at Romantic Events
Outgoing These Sims are a bit better at Friendly Events
Competitive These Sims are a bit better at Rival Events
Good Upbringing These Sims are way better at all Events