Analysis of information sources in references of the Wikipedia article "Grigory Zass" in English language version.
Русский генерал, участник Кавказской войны. Известен тем, что проводил крайне жестокую политику устрашения черкесов.[Russian general, participant in the Caucasian War. He is known for pursuing an extremely cruel policy of intimidating the Circassians.]
1864, G. H. von Sass was again called up for service by Alexander II
He came from an ancient Westphalian baronial family. His ancestors in the fifteenth century moved to the Baltic States.
Emperor Alexander II ordered Sass to be enlisted