Daniel M. Ross, 76, a lawyer and real estate developer who built, owned and managed four Sheraton hotels in Northern Virginia, died Oct. 1 at Manor Care Nursing Home in Potomac. He had Alzheimer's disease.

His hotels, in Reston, Tysons Corner, Crystal City and near the Pentagon, were built in the 1970s and 1980s.

Mr. Ross was among Sheraton's first franchisees, investing in a Silver Spring Sheraton in the 1960s.

In addition to his real estate deals, he had been a lawyer with Wachtel & Ross and its predecessor firms for the last 45 years and a specialist in government procurement contract law relating to defense contract litigation.

He was a Bethesda resident and was born in Nanty Glo, Pa. The son of a coal miner, he spent his youth in Pennsylvania and upstate New York. He graduated from George Washington University, where he played varsity football, and he served in the Marine Corps during World War II.

He served as a lieutenant with the 1st Marine Division in the Okinawa campaign and later was assigned to China. He received a master's degree in accounting from George Washington University after the war, then worked for the Internal Revenue Service before being recalled to active duty during the Korean War.

Mr. Ross served as assistant chief in the negotiation section of the procurement division.

He was a trustee of the Marine Corps Command and Staff College at Quantico and the Northern Virginia Community Foundation.

Survivors include his wife of 56 years, Elizabeth A. Ross of Bethesda; three children, Daniel A. Ross of Vienna, Robert M. Ross of McLean and Janet R. Jensen of Potomac; his mother, Cinderella Pagano of Pleasantville, N.Y.; and two sisters.