Born to Nic and Sarah Vasilauskas/Dold of Highlands Ranch, Colo., a baby boy, Hayden Knox Vasilauskas, weighs 6 pounds and 14 ounces. His grandparents are George and Yvonne Vasilauskas of Castle Rock, Colo., Marlene Dold of Fort Collins, and Ron Dold of Centennial, Colo.