any good detective brahs?

I have a uncle that lived is russia that i have never met. He lived there for like 20 years, and I have searched many possible ways to find any info on him but no luck. Any tips? Nothing with first and last name pop up. Rumor is he recently moved to middle east and converted to islam, but i know he has a wife and two children. How can i find this mafuka srs bros reps for life in i can get a lead