Joseph Patrick Sheirburn, 44, and his wife, Jobelle, 42, who owned and operated Sports Information Services and a seafood restaurant in La Plata, were killed April 6 in a single-car accident near La Plata.

According to a spokesman for the Charles County Sheriff Department, the Sheirburns were driving west on Rte. 6 when their car went out of control and landed in a concrete ravine. Police said they have not determined who was driving the car. The accident is still under investigation, police said.

Both Mr. and Mrs. Sheirburn were born in Washington. From 1965 to 1975, he had several investments, including a home improvement project. The Sheirburns founded Sports Information Services, a sports news firm, in 1975 and opened the restaurant, Papillon's, last month.

Mr. Sheirburn was active in charitable organizations. Mrs. Shierburn had been a volunteer at the Charles County Nursing Home. They moved from Clinton to Port Tobacco, and have lived there the past five years.

Their survivors include five children, Theresa, Mary, Christine, Robert and Patrick, all of Port Tobacco. Mr. Sheirburn's survivors also include his mother, Frances E. Sheirburn of Port Tobacco; a sister, Marjorie S. Harris of Temple Hills, and a brother, Gary F., of Mechanicsville. Mrs. Sheirburn's survivors also include her mother, Gertrude H. Senior, and a grandmother, Eva C. Grimes, both of Mount Rainier; and two sisters, Christy D. McCoy of Lanham, and Sharon V. Wicks of Waldorf.