Benjamin Williams Crowninshield American politician (1772–1851) (1772–1851) Parents Mary (née Derby) Crowninshield George Crowninshield Children George Caspar Crowninshield Francis Boardman Crowninshield Edward A. Crowninshield Mary Mifflin Annie Crowninshield Warren Siblings Jacob Crowninshield George Crowninshield Jr. Partners Mary Boardman
