5267 Germantown Ave., Philadelphia, Pennsylvania. County/parish: Philadelphia.
Added to the National Register of Historic Places March 16, 1972. NRIS 72001155.
Also known as:
Grumblethorpe was the home of the Wister family in the present-day Germantown section of Philadelphia, who lived there for over 160 years. It was built in 1744 as a summer residence, but it became the family's year-round residence in 1793. It is a museum, part of the Colonial Germantown Historic District.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/71997032