Stevenson's Son Is Married The son of Adlai Stevenson, U.S. Ambassador to the United Nations is married at Big Sur, California, to Natalie Owings. The ambassador is best man for his youngest son. Coastal scenic. Reception line outside. Bride and groom receiving line? Mr. Adlai Stevenson and brides mother? Mrs. Stevenson has patch on left eye. Wedding cake, and guests. Couple cutting cake. Mr. Stevenson waving away from camera. Bride and groom getting into car and drive off.