Here are some cats that have family members that could be roleplayed!
Or used as filler i don't mind.
Thunderclan.Toadstrike:Appearance &
hereMother: Quickfoot
Older than 42 moons. She can have any personality you want. Only thing I ask is she is just proud of Toadstrike since he is her only child left. I have no problem with her finding a new mate either, since her previous one has died.
RiverClan.Blossomfall:AppearanceMother: Pebblefrost
Blossomfall is 28 moons so she would have to be older than 46 moons. She can have any personality.
Father: Silverfish
He also has to be over 28 moons. Any personality you wish.
Sister: Hollowstep
She is the same age as Blossomfall. Any personality you wish.
Sister: Fablepaw
Still an apprentice she and Fleetpaw have to be the same age. Any personality you wish.
Brother: Fleetpaw
Still an apprentice he and Fablepaw have to be the same age. Any personality you wish.
Lostpaw/PoppytailAppearance /
AppearanceFather/mate: Hollowfang
Mated to poppytail. He has to put up with her for some reason, but other than loving the blabbermouth you can do anything with his personality.
Sister/Daughter:
Willowpaw (Dawnfrost)
Do whatever you wish with her, just has to be 7 moons. (same age as Lostpaw)
Brother/Son: Figpaw
Do whatever you wish with him, just has to be 7 moons. (same age as Lostpaw)
ShadowclanRavencallappearanceMother: Hazyshadow
Would be older than 57 moons. Do as you wish.
Father: Darkwing
Would be older than 57 moons. Do as you wish.
Sister: Dovetail
Do anything you wish, same age as Ravencall.
Brother: Crowtalon
Do anything you wish, same age as Ravencall.