Retired Army Maj. Gen. William E. Bergin, 85, who served in both world wars and as Army Adjutant General, died Monday at his Washington home. He suffered from a heart ailment.

During the early days of World War II he was Gen. Joseph W. Stilwell's adjutant general and assistant chief of staff for personel (G-1) of U.S. Army Forces based at Chunkking , China.

Gen. Bergin later served on the Army staff for the China-Burma-India Theater and ended the war as deputy chief of staff of the tenth Army in Okinawa.

In 1946 he was assigned to the War Department General Staff. He later served in Germany and returned to Washington as Deputy The Adjutant General in 1949 and was promoted to The Adjutant General in 1951, a post he held until he retired in 1954.

Gen. Bergin was born in Pueblo, Col. He entered the Army in 1917, graduated from the officers training camp at Fort Riley, Kan.

He served with the 10th division in Europe during World War I.

From 1921 to 1925 he was in charge of the Army ROTC until at Georgetown University.

Gen. Bergin held many awards, including the Distinguished Service Medal, the Legion of Merit, and the Order of Yun Whei (Cloud Banner) First Grade, from the Chinese government.

He is survived by his wife, Elizabeth N., of the home.