With in the upper-right corner.
Tap Invite Others, then follow the onscreen instructions.
You can send the invitation using AirDrop, Messages, or Mail. If you’re near the family member, you can also tap Invite in Person and ask the family member to enter their .
Enter the child’s name and birthday. The child’s birthday is used to set suggested content restrictions that determine the content they can access. You can adjust these content restrictions later by going to Settings > Screen Time; share your child’s location with all members of the Family Sharing group, including any new members added later; and use Ask to Buy. You can change these settings at any time. For more information, see any of the following:
Leave a Family Sharing group.