Seinfeld's wife gives birth to their third child, Shepherd

Jerry Seinfeld and his wife, Jessica, have a new addition to the family.

A son, Shepherd Kellen Seinfeld, was born Monday morning, Seinfeld's publicist, Stephen Rubenstein, said Thursday. The couple, who were married in 1999, have a 2-year-old son, Julian, and a 4-year-old daughter, Sascha.

"Jerry and Jessica are both thrilled," said Rubenstein. "The baby is great; they are all home now."

The 51-year-old comedian has in the past worked babies into his standup routine: "Make no mistake about why these babies are here — they are here to replace us."