1. Bill of Sale for Seven Enslaved Persons from Robert F.W. Allston to Mary Allston, 1836 Date: 1836-11 Description: A bill of sale for seven enslaved persons for $4,000 from Robert F.W. Allston to Mary Allston, widow of the late Joseph Allston. The names of the enslaved persons are Moses, Maria, Rebecca, Prince, Sandy, Lizy and William.