 In the late 1890s, after Alfred's brother Biderman moved to Delaware, the family sought to sell their old estate to the city for a permanent park space, but negotiations dragged on and the family reluctantly began making plans to subdivide it into building lots.Around that time the city renamed the park DuPont Square, perhaps to encourage the family to keep it a park, but the name never stuck.Louisville's civic leaders finally stepped up in 1904 and purchased the old estate for $297,500