Cliveden, also known as the Chew House, is a historic site owned by the National Trust for Historic Preservation, located in the Germantown neighborhood of Northwest Philadelphia. Built as a country house for attorney Benjamin Chew, Cliveden was completed in 1767 and was home to seven generations of the Chew family. Cliveden has long been fa…Cliveden, also known as the Chew House, is a historic site owned by the National Trust for Historic Preservation, located in the Germantown neighborhood of Northwest Philadelphia. Built as a country house for attorney Benjamin Chew, Cliveden was completed in 1767 and was home to seven generations of the Chew family. Cliveden has long been famous as the site of the American Revolutionary War's Battle of Germantown in 1777 as well as for its Georgian architecture.