On your iPhone, iPad, or iPod touch Tap your name, then tap Family Sharing. Tap the name of the family member that you want to remove. Tap Remove [your family member's name] from Family.
Go to the Apple menu and open System Preferences. Click Family Sharing (on older versions of the macOS, click iCloud). Click Details on the person you want to remove (on older versions, you'll need to click Manage Family first). Click Remove from Family Sharing and follow any additional onscreen instructions.
Remove someone from your family group
How to get rid of someone else's Apple ID on the App Store
Go to "Settings" > "iCloud" (your name) and then "Family Sharing". Tap "Add member" and invite the person via iMessage. Enter the email address of the person sharing and send the invitation.
You can't add or remove people from the family calendar unless your family manager adds or removes them from your family group. However, you can invite people outside of your family to any events you create on the family calendar. Family members can't delete the family calendar.
Remove a member from a family group The organizer of a Family Sharing group can remove other members. When a family member is removed, they immediately lose access to any shared content and subscriptions. Go to Settings > [your name] > Family Sharing. Tap [member's name], then tap Remove [member's name] from Family.
How to remove someone else's Apple ID from your iPhone?
What happens when you stop sharing? Your Apple ID is removed from the family group and you won't have access to any services shared by your family, such as an Apple Music family subscription or a shared iCloud storage plan.
The removed person immediately looses access to shared purchases (though they will remain on any devices until deleted), the Family Photo Stream, Family calendar, and everything else Family Sharing entails. The removed family member receives a notification of the removal.
What to Know
To set up Family Sharing, you'll need an Apple ID to sign into iCloud.Create a family group and invite people to join
If I remove someone from family sharing, and I am the organizer, does it send them a notification? Answer: A: Answer: A: According to the Apple Community Specialist in this discussion, the member will get a notification.
With Family Sharing, parents can make a child account easily on their Apple devices and pass on the account details to their kids. However, doing this results in the child account being added to your Family Group and once added they cannot be removed from it until they're 13 years old.
On a Mac, go to System Preferences > iCloud. In the resulting pane, click Set Up Family, and then follow the onscreen instructions. To set up family sharing on an iOS device, tap Settings > iCloud. On the next screen, tap Set Up Family Sharing, and then tap Get Started.