Andra Nan Oakes was married last Saturday to Edwin Emmett Huddleson III in Chilmark, Mass., summer home of her parents, Mr. and Mrs. John Bertram Oakes of New York. The ceremony was conducted by Justice of the Peace Jeananne Jeffers of Martha's Vineyard assisted by Rabbi E. William Seaman of Washington, D.C.

The bride, who will retain her maiden name, is with the law firm of Dobrovir/Oakes/Gebhardt/Scull in this city. She is a graduate of the Brearley School in New York, Bryn Mawr College, and the University of Chicago Law School. She is co-author of "The Offenses of Richard M. Nixon," a book published in 1973 detailing the legal case against the former President.

Mr. Huddleson, son of Mr. and Mrs. Edwin E. Huddleson Jr. of Oakland, Calif., is a graduate of Stanford University and the University of Chicago Law School, where he was comment editor of the Law Review. He was law clerk to Judge Charles Merrill of the Ninth Circuit Court of Appeals, and subsequently was with the Civil Division of the Department of Justice, before entering the Washington, D.C. law firm of Volpe, Boskey and Lyons.

The bride is the granddaughter of Mrs. Emanuel M. Hartman of West Hartford, Conn. and the late Mr. Hartman, and of the late Mr. and Mrs. George W. Ochs-Oakes. Mr. Huddleson's grandparents are the late Mr. and Mrs. Edwin E. Huddleson of Oakland, Calif. and the late Mr. and Mrs. Carl F. Taeusch of Wapakenota, Ohio.