Brandenburgische Genealogische Gesellschaft "Roter Adler" e. V. is the organization in Germany.
According to PR-model, bggroteradler.de is ranked 1,019,527th in multilingual Wikipedia, in particular this website is ranked 106,746th in German Wikipedia.
The website is placed before bulgariansights.net and after stfinbarr.org in the BestRef global ranking of the most important sources of Wikipedia.