Myfamily.com allows users to create a family site where they can share photos, stories, and collaborate on family history. While there may not be a strict upper limit on the number of family members you can add, the functionality may vary depending on the specific features or plan you are using. It is common for community platforms to have some restrictions based on membership tiers, storage capacity, or the type of content being shared. Users are encouraged to check the current web page for any specific guidelines or limitations regarding member additions, as the platform may have updated its policies or features. Overall, Myfamily.com aims to provide a comprehensive experience for families to connect and engage, making it a valuable tool for family communication and preservation.