Complex sentence: Brzezinski was born in New York City, the daughter of foreign policy expert and former National Security Advisor Zbigniew Brzezinski and sculptor Emilie Anna Benešová, a grandniece of Czechoslovakia's former president Edvard Beneš.
Split into simpler sentences: Brzezinski was born in New York City, the daughter of foreign policy expert and former National Security Advisor Zbigniew Brzezinski and sculptor Emilie Anna Benešová. Her mother is a grandniece of Czechoslovakia's former president Edvard Beneš.