Indians in Pennsylvania, by Paul A.W. Wallace, p 174.
CAPTAIN JACOBS. A noted Delaware war chief. He took part in the Battle of the Monongahela in 1755 and helped to rout BRADDOCK's army. He joined SHINGAS in raids against Pennsylvania and Virginia settlements. For this a price of $350 was put on each chief's head. In July and August, 1756, Captain JACOBS and his Indians joined a French force under COULON de VILLIERS in the capture of Fort Granville (near Lewistown) on the Juniata. He was killed at Kittanning, September 8, 1756, by forces under Colonel John ARMSTRONG who had surprised the town.