Son #3 is at 165 degrees west longitude, nearly on the Arctic Circle. Son #4 is at 18 degrees east longitude, nearly on the Arctic Circle. If you look at the habitable places up there, there aren't many. And two places directly across the North Pole from each other are fewer still.
This is the first time in the history of the world that Romanian brothers are on direct opposite sides of the Arctic Circle.* I feel pretty confident of that. Some Romanian newspaper or magazine would likely be interested in the story.
*If you want to count Catalin, who is their brother though not our son, I waive the point. Yes. True.