Grandchildren of Mayakovsky

Dear comrades, I don't know how, but we must unite right now to satisfy my curiosity! I really want to see the great-great-grandchildren of Mayakovsky, and I know that they live in the USA. To make things clearer: you might not know that their great-great-grandfather is Mayakovsky—they don't seem to publicize this, or maybe they don't even know it themselves anymore—but their great-grandfather is Roger Thompson. He has children, and I'm willing to bet that they have children too. I'm intensely curious about what they look like—whether the iron gaze of one of the greatest men of that era has been preserved in any of them. In a brotherly way, friends, let's unite.