John Rich and his wife Joan are the parents of a second son, he announced Sunday (Oct. 2) via Twitter. In his message, he said Colt Daniel Rich was born Thursday (Sept. 29) and weighed 7 pounds, 14 ounces. "He's a real 'Son of a Gun!' VERY Proud!!" Rich wrote. The couple married in December 2008. Their first child, son Cash, was born in January 2010.