Bors

The name was first recorded in Amsterdam, an ancient 13th century town held by the Lords of Amstel. Giesebrecht II built a castle there. Geisbrecht III built the dam to keep out the sea. It is first mentioned in charters of 1275 when Floris IV, the count of Holland granted its charter. It became a city of great mercantile wealth and held great art treasures. In their later history the surname became a power unto themselves and were elevated to the ranks of nobility as they grew into a most influential family.