Isleworth mansion of retired Johnsonville Sausage executive sells for $4.03 million at auction Isleworth mansion of retired Johnsonville Sausage executive sells for $4.03 million at auction January 29, 2021 dzadmin Comments 0 Comment Launa Stayer-Maloney, daughter of the founder of the Johnsonville sausage company and a retired executive with the firm, sold her Isleworth mansion at auction for $4.04 million.