State Sen. Brittany Pettersen has become the first Colorado state senator to give birth while in office. The Lakewood Democrat and her husband, Denver Post columnist Ian Silverii, welcomed a baby boy named Davis on Sunday. “He’s doing amazingly well and so is mom,” Silverii tweeted Tuesday. Provided by Ian SilveriiState Sen. Brittany Pettersen, a Lakewood Democrat, holds her baby son, Davis. Pettersen texted The Denver Post: “Everybody says you don’t know what it’s like to love until you have a baby, and now I know what they mean.