…’s large farms. Not all were free. In 1738, 25% of Kings County’s residents were held in slavery. In 1790, this number had risen to 30%. On average, 60% of white families were slaveholders; in outer areas, such as the town of Flatbush, this number was as high as 74%. Kings County was a slaveholding capital in New York State. Slaveholding families that became wealthy during this period included the Lefferts, Lott, Bergen, Vanderveer and Vanderbeek…