"We welcome you to share in our joy. Thank you for respecting our privacy during this beautiful time in our lives," said a handwritten message posted on the site and signed by the Carter family.
Rapper Jay-Z was born Shawn Carter. He and Beyonce married in 2008.
Daughter Blue Ivy, their first child, was born in New York Jan. 7.
Sign language interpreter at Mandela service called out as fake on Twitter
Campus cop fatally shoots Texas student during traffic stop