Chelsea Clinton says she and her husband Marc Mezvinsky are expecting their first child.
"Marc and I are very excited that we have our first child arriving later this year," Clinton announced at a Clinton Foundation event. "And I certainly feel all the better - whether it's a girl or a boy - that she or he will grow up in a world full of so many strong young female leaders."
Clinton is the daughter of former President Bill Clinton and former Secretary of State Hillary Clinton.
"I just hope that I will be as good a mom to my child, and hopefully children, as my mom was to me," Chelsea Clinton said.
Hillary Clinton said she's "really excited" to be a grandmother.
Bill Clinton tweeted, "Excited to add a new line to my Twitter bio...grandfather-to-be!"
Chelsea Clinton and Marc Mezvinksy were married in July 2010.
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