Chelsea Clinton announced that she was pregnant in December in a Twitter post that showed a photo of Charlotte, reading a book titled “Big Sisters are the Best.”Mezvinsky is the banker son of two ex-Congress members. Clinton serves as the vice chairwoman of the Bill, Hillary & Chelsea Clinton Foundation. Clinton and Mezvinsky were married in late July 2010 under a traditional huppah, or wedding canopy, and recited the traditional sheva brachot, or seven wedding blessings. A rabbi and a Methodist minister officiated at the wedding. The couple signed a ketubah, or Jewish marriage contract.Ivanka Trump, the daughter of presumptive GOP presidential nominee Donald Trump, gave birth to a son in March. Ivanka Trump converted to Orthodox Judaism in 2009 in order to marry her husband, Jared Kushner, with whom she already has two children: Arabella, 4, and Joseph, 2.Marc and I are overwhelmed with gratitude and love as we celebrate the birth of our son, Aidan Clinton Mezvinsky.
— Chelsea Clinton (@ChelseaClinton) June 18, 2016