Who makes up the Vanir tribe, exactly?

Who makes up the Vanir tribe, exactly?

Honestly it’s hard to say for sure, apart from Njord, Freyja, and Freyr who we know confidently, do. But other than them..? ~shrug~ possibly Heimdallr, and possibly Ullr, and according to Heimskringla also Njord’s sister (???), and Kvasir… it’s murky haha

Seel!