Note: Both the parent and child will need to be in the membership database in order to connect the two.
If they are not in the database, read the article on how to add new members.
Steps to follow:
Login to your club control panel.
Click the Membership tab in the left-hand menu.
Click Membership Database in the left-hand menu.
Find the Parent in the database using the search and filter tools.
Click on the parent's name to bring up the members details.
Click the Roles tab.
Tick the box next to Parent and type the name of the child into the search box.
Click on the child's name from the list and click 'Save'.