News Baby News: January Jones Gives Birth to Son Published 1:17 PM PDT, September 15, 2011 Getty Images Icy blonde Mad Men star January Jones welcomed her first child on Tuesday, a rep confirms to ETonline. And it’s a baby boy!MORE: January Jones Dissed by Mad Men Co-Star According to her rep, "January Jones welcomed her baby boy, Xander Dane Jones, on September 13, 2011. Mom and baby are doing great."In April, the actress announced her pregnancy. Despite much speculation of who the baby’s father is, the identity of the baby’s father has remained a secret to the public. Previously, Jones had also chosen to keep the sex of her baby a secret, telling People in June,"It's going to be a surprise for me."Keep clicking back with ETonline for all your celebrity baby news!