Georgina Bloomberg, the youngest daughter of New York City Mayor Michael Bloomberg, is pregnant.
The 30-year-old socialite and professional equestrian is expecting her first child with her boyfriend.
The baby will be Mayor Bloomberg's first grandchild.
A spokesman for the 71-year-old mayor said he "is thrilled and can't wait to meet his first grandchild."
The New York Post reports Georgina's boyfriend is believed to be fellow equestrian Ramiro Quintana.