You can now setup a Family Group for your Nintendo Account

Nintendo Switch Online Service

How to setup your Family Plan for Nintendo Switch Online [Parents Guide]

How to Add a User Profile to a Nintendo Switch

How to Set Up And Use the Nintendo Online Family Plan

Setting Up A Nintendo Switch Account: Step By Step Guide

How do I add a member to my Nintendo Switch Online account?

How to Set Up a Nintendo Switch Online Family Membership - Nintendo Switch Guide - IGN

How to Set Parental Controls on the Nintendo Switch

How to Change Your Nintendo Account Password, Support

How to setup your Family Plan for Nintendo Switch Online [Parents Guide]

This is what happens when your Nintendo Switch account gets banned - CNET

Nintendo Switch Game Sharing and Family Plan Wiki & FAQ