You have to use your email to register. The password you register here is the password you set for vocabulary online , not the password you login your email.
If you have no email, register any free email such as Hotmail , Yahoo , Gmail
You should use a real email to register because if you forget your password and request system to send you the password, it will be sent to this email.
It is impossible to take every relatives to the same place at the same time to get to know one another.
If every family build her family tree and connect them together like fitting pieces of jigsaw together,
they will get a perfect big family tree which they can share to get to know each other although they live in different cities or different countries
because the family tree explains clearly who is who.
www.bigfamilies.net is tools to build family trees and connect them together to get a big family tree network.