MARRIED. Christina Onassis, 33, daughter of the late Greek shipping magnate Aristotle Onassis, over whose empire she now presides; and Thierry Roussel, 31, French businessman and heir to a pharmaceutical fortune; she for the fourth time, he for the first; in Paris.

SENTENCED. Robert F. Kennedy Jr., 30, arrested last September for possessing two-tenths of a gram of heroin; to two years of probation, continued drug treatments and 1,500 hours of community service; in Rapid City, S. Dak. The suspended sentence, Circuit Judge Marshall Young told Kennedy, was standard for such a first offense and had "nothing to do with your name."

DIED. James Autry, 29, convicted murderer who was 31 minutes away from death last October when a U.S. Supreme Court stay gave him a temporary reprieve; by execution (an intravenous injection of sodium pentothal, Pavilion and potassium chloride); at the Texas state prison in Huntsville. Two days after Autry's execution, North Carolina put to death (also by injection) Killer James Hutchins, 54.

DIED. John Hoagland, 36, photographer for the Gamma-Liaison agency on assignment for Newsweek; of a gunshot wound suffered during a skirmish between government and guerrilla forces; near Suchitoto, El Salvador. Hoagland, a Central American specialist who had just been reassigned after a month's stint in Lebanon, was noted for his military knowledge and striking action photographs. He is the tenth foreign journalist killed in El Salvador in the past four years.

DIED. Uwe Johnson, 49, expatriate East German novelist whose works examined the social and spiritual consequences of a divided Germany; of a heart attack; in Sheerness, England. After his first novel was rejected in East Germany, Johnson moved to the West in 1959, where his austere, fragmented prose in Speculations About Jakob, The Third Book About Achim and Two Views made him one of postwar Germany's leading creative voices.

DIED. Aurelio Peccei, 75, Italian industrialist and founding president (in 1968) of the Club of Rome, the international think tank that caused a worldwide stir with its 1972 book The Limits to Growth, warning of impending environmental catastrophe; of a heart attack; in Rome.

DIED. James J. Wadsworth, 78, former chief U.S. delegate to the United Nations and one of the Eisenhower Administration's most experienced negotiators with the Soviets; in Rochester, N.Y. Wadsworth served for seven years as Henry Cabot Lodge's deputy at the U.N., becoming chief of the U.S. delegation in 1960, in time to witness--and condemn--Soviet Premier Nikita Khrushchev's shoe-banging tirade against the West.