Retired Army Brig. Gen. James C. Rosborough, 85, a combat veteran of World War I who commanded artillery battalions during the Battle of the Bulge in World War II, died Sunday at his home in Newton Square, Pa. He had cancer.

As the 50-year-old commander of the 28th Division's 108th Field Artillery, Gen. Rosborough was credited with organizing and leading a task force to relieve one of his gun batteries which was surrounded by the enemy. He subsequently led his men in an assault on the Germans that produced 150 enemy casualties and 40 prisoners.

His heroism was documented in a 1974 book about Pennsylvania's famous 28th Infantry Division, The Bloody Patch, by Jack Colbaugh, a former lieutenant in the 108th Field Artillery.

In the book, Mr. Colbaugh wrote that Gen. Rosborough "is perhaps the greatest high-ranking officer in the 28th Division."

As commander of the 197th Field Artillery, "he saved the whole combat team, including the 109th Infantry, plus the 107th and 108th Field Artillery battalions during the heroic stand at Ettlebruck and Diekirch," the largest battle in American history.

During World War I, Gen. Rosborough fought with the Pennsylvania 28th Division in Europe, named the Iron Division by Gen. John J. Pershing.

A native of Pennsylvania, he was promoted to brigadier general while serving with the Army Reserve. He retired in 1965.

His military decorations include the Distinguished Service Cross, the Silver Star, the Bronze Star, the Purple Heart and the French Croix de Guerre with palms.

Survivors include his wife, Antonina, of Newtown Square; a son, two daughters, 13 grandchildren and two great-grandchildren.