Milestones, Mar. 17, 1980

DIVORCED. James Earl ("Chip") Carter III, 29, the President's party-loving second son, now employed as assistant to the manager of Carter's campaign staff; and Caron Carter, 29, Georgia schoolteacher; after seven years of marriage, one child (a son, James Earl Carter IV); in Americus, Ga.

DIED. Wilhelmina Behmenburg Cooper, 40, Dutch-born daughter of a Chicago butcher, who parlayed a career as one of the nation's most photographed beauties into a second triumph as head of one of the top New York model agencies; of cancer; in Greenwich, Conn. During her cover-girl days, Wilhelmina boasted that she was "one of the few high-fashion...