303 S.E.2d 444 LAWING v. ERWIN. 39659.Supreme Court of Georgia. DECIDED JUNE 6, 1983. REHEARING DENIED JUNE 28, 1983. SMITH, Justice. These parties were formerly husband and wife and were divorced in 1973. This case concerns a collateral attack in 1982 on a 1976 judgment modifying the child support obligations of William Lawing. We reverse. […]