According to aljazeera's article, "the core investor would be a New York venture capital investment firm created by Joshua Kushner, the brother of US President Donald Trump’s son-in-law, Jared Kushner."

Welcome. Not a dupe if some time has passed between submissions without much discussion or upvotes. And this is the source.

Dupe of a dupe: https://news.ycombinator.com/item?id=49108292