Start in the Team view at the bottom right of your screen
Select your child's name in the "Players" list
Click the cogwheel in the top right of your screen and select "edit name" or anything else you'd like to edit.
Start in the Team view at the bottom right of your screen
Select your child's name in the "Players" list
Click the cogwheel in the top right of your screen and select "edit name" or anything else you'd like to edit.