How do you change families

Hello ~ Take a look here:

Leave Family Sharing - Apple Support

~Katana-San~

You leave the first family and then either get get invitation to join one that is already formed, or set up a new family with yourself as the organizer.

Leave Family Sharing - Apple Support --> https://support.apple.com/HT201081#disbandgroup

To learn how to 'Set up Family Sharing' and how to join one if you received an invitation, click here --> https://support.apple.com/HT201088

Note the restrictions on how frequently you can do that.

https://support.apple.com/HT201088

"Remember, you can only join one family at a time, and you can only switch to a different family group once per year." June 2021

https://www.apple.com/legal/internet-services/itunes/us/terms.html

D. "You can only belong to one Family at a time, and may join any Family no more than twice per year. You can change the Apple ID you associate with a Family no more than once every 90 days. All Family members must share the same Home Country."

September 16, 2021