Isotammi ā The Genealogical Society of Finland
Isotammi Service is a service for co-operatively collected and validated genealogical data.
For more info see also documents -
In this demo we have a genealogical tree which follows our quality rules and it contains the relatives of the Finnish national compositor Jean Sibelius.
If you have already registered, you can log in and refine the structure of your own data. As a member of Genealogical Society of Finland you will get more services.
To see the full data, you can fill the registration form here.