There is strong evidence that Trump’s businesses have received significant funding from Russian investors. Most notably, Trump’s son Donald Trump Jr. made that very claim at a real estate conference in New York in 2008, saying “Russians make up a pretty disproportionate cross-section of a lot of our assets.” Donald Trump Jr. added, “we see a lot of money pouring in from Russia
Here’s what we know about Donald Trump and his ties to Russia - The Washington Post