He has an identical twin brother.
There is also an older brother, Leonid, who runs an investment/consulting company that specializes in projects in "Central Eastern Europe, Russia, the Caucasus and Central Asia region."
http://www.tungstencapitaladvisors.com/Leadership.htmlPresumably, that would include Ukraine and there were several Ukraine investment round-tables moderated by the older Vindman. Is there anyone connected with the Neocon/Clinton/Obama machine in any way that doesn't have their greedy hands in the corrupt sewers of Russia and Ukraine? John Bolton was paid $115K for a speech by Ukranian oligarch and huge Clinton Foundation donor Victor Pinchuk. Romney's "special advisor" in his 2012 campaign, Cofer Black, joined Hunter Biden on the Burisma board in 2017.
It just reeks.