Gambrel
A gambrel roof is a pitched roof with two slopes. A steeper slope at the lower part capped with a shallow upper slope.
Gambrel Media
Dwelling with gambrel roof in Amityville, New York, made famous by The Amityville Horror
If the date of construction and the roof of the Henry Bull House was original to the circa 1639 date this would be the oldest known example of a gambrel in America.
Another candidate for oldest gambrel roof, said to be from 1666, Alexander Standish House
Gambrel roof seen on an East Toledo home in approximately 1937