You can easily view and manage family members in your SupportPay account from the Participants screen. To get there, click on the Family tab on the left-hand side menu and select Participants, as shown in the image below:
Once there, you will be able to view all family members. You can also add as many children and family members as you need from this page and re-send invitations to those who have not joined yet after being invited.
If you have any questions about this topic, please don't hesitate to contact us at help@supportpay.com.