Their second son, Mark Brzezinski, is a lawyer and diplomat who has served as an adviser to President Clinton and President Obama.
He is the son of Polish-born former National Security Advisor Zbigniew Brzezinski and the grandson of Polish diplomat Tadeusz Brzeziński.
Worked with many prominent Polish-Americans for instance Edward Rowny and Mark Brzezinski.
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Ian Brzezinski is the son of foreign-policy expert Zbigniew Brzezinski and sculptor Emilie Benes Brzezinski, and the brother of American lawyer and foreign policy expert Mark Brzezinski and American television news journalist Mika Brzezinski.