The 41-year-old took to Instagram on Tuesday to share a photo of the baby with herself, husband Alexis Ohanian and their first daughter, Alexis Olympia. In the caption, Williams revealed the other daughter’s name: Adira River Ohanian.
Ohanian posted more photos. He wrote, “Serena Williams, you have now given me another gift beyond compare, you are now GMOAT.” Ohanian said, “I will never forget the moment I had the privilege of introducing Olympia Ohanian to her little sister.”
With 23 singles titles at Grand Slam tournaments and 319 weeks at number one in the world rankings, Williams is considered one of the most successful players of all time.