Wyden and his wife, Nancy, welcomed Scarlett Willa to their family on Thursday. He announced the news via tweet on Friday.

Wyden, who is 63, announced the pregnancy in an email to his staff in May, according to Oregon's local KATU. He wrote: “Yes, it sounds incredible, but YES Nancy is pregnant!”

The couple married in 2005. They have two other children together: twins born in 2007.

Updated at 2:53 p.m.