NEW YORK -- Chelsea Clinton has announced the birth of her third child. Jasper Clinton Mezvinsky was born Monday.
The former U.S. first daughter tweeted that she and husband Marc Mezvinsky "are overflowing with love and gratitude and can't wait to introduce him to his big sister and brother."
The couple have a daughter, Charlotte, born in 2014 and another son, Aidan, born in 2016.
Bill Clinton tweeted that the grandparents are "overjoyed and grateful to meet" their new grandson. Hillary Clinton tweeted that she and her husband "are so thrilled."
The 39-year-old Clinton and 41-year-old investment banker Mezvinsky have been married since 2010. They live in New York.