Though there is little historical evidence regarding Point duSable's life before the 1770s, there are several theories and legends that give accounts of his early life. Writing in 1933, Quaife identified a French immigrant to Canada, Pierre Dandonneau, who acquired the title "Sieur deSable" and whose descendants were known by both the names "Dandonneau" and "DuSable". Quaife was unable to find a direct link to Point duSable, but he identified descendants of Pierre Dandonneau as living around the Great Lakes region in Detroit, Mackinac, and St.Joseph. He speculated that Point duSable's father may have been a member of this family, while his mother was likely an enslaved woman.