Keith Williamson, son of Mr. and Mrs. George A.Williamson of Ras Tanura, died at Memorial Hospital, New York City, June 23. Keith was a ninth grade student at the Ras Tanura School. Besides his parents, he is survived by his twin brother Drew, and another brother Wayne. The Williamsons may be reached at Eastmore Apartments, No. 1, 240 East 76th Street, New York City, N.Y.