The remains of a dozen Revolutionary War soldiers who were killed in battle two centuries ago have been uncovered in a mass grave in New Jersey, scientists and officials said Tuesday.

Researchers believe they have located the remains of as many as 12 Hessian soldiers — German troops hired by the British — in a field at Red Bank Battlefield Park along the Delaware River in Gloucester County.

The remains were only discovered after a human femur was found back in June during a routine public archaeology dig at the site of the 1777 Battle of Red Bank.

Further excavation uncovered even more skeletal remains, as well as pewter and brass buttons and a King George III gold guinea, which would have been a soldier’s monthly pay.

Officials believe the Hessian soldiers were among the roughly 377 troops killed by Colonials forces during the battle 245 years ago.

Fourteen American soldiers were killed in that battle, according to historians.

“Based on everything we’ve found and the context of what we’ve found, these appear to be Hessians,” Wade Catts, principal archaeologist for South River Heritage Consulting of Delaware, said.

Forensic anthropologists with the New Jersey State Police will extract DNA from the bones and teeth in a bid to try and identify the remains — and find their descendants, officials said.

“We’re hoping that eventually, perhaps, we can find some of these individuals,” Rowan University public historian Jennifer Janofsky said.

“If we can extract their stories, and if we can tell their stories, it lets us put a name to a face. And that, to me, is a very powerful moment in public history.”

With Post wires