Eric Trump
His grandfather, Milos Zelnicek, who died in 1990, was an engineer
Ivana’s father, Miloš, regularly gave the StB information on his daughter’s visits from the US and his son-in-law’s burgeoning career.
zechoslovakia’s Státní bezpečnost (StB) intelligence service
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Great uncle
John George Trump (August 21, 1907 – February 21, 1985) was an American electrical engineer, inventor, and physicist. He was a recipient of U.S. President Ronald Reagan's National Medal of Science, and a member of the National Academy of Engineering. Worked on Tesla Papers
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