Question:  Peter Kalifornsky was the great grand son of Qadanalchen who worked in a the hub of the southernmost Russian settlements in North America from 1812 to 1842 that has been the subject of what?
Sentence (from "Peter Kalifornsky"): He was the great-grandson of Qadanalchen, who took the name Kalifornsky after working in the Russian American colony of Fort Ross in California, and for whom Kalifornsky, Alaska is named.
Relevant evidence: Yes