Chelsea Clinton, the 34-year-old daughter of former President Clinton and ex-Secretary of State Hillary Rodham Clinton, announced Thursday that she and her husband, Marc Mezvinsky, are expecting their first child this fall. For the Clintons, 2014 is the year of the baby. Chelsea Clinton, the 34-year-old daughter of former President Clinton and ex-Secretary of State Hillary Rodham Clinton, announced Thursday that she and her husband, Marc Mezvinsky, are expecting their first child this fall.