Question: Who is Stanisław Potocki (1734–1802)'s mother-in-law?
Sentence (from "Stanisław Potocki (1734–1802)"): Józef was Great Krajczy of the Crown from 1776 to 1780, Rotmistrz of a Husar Choragiew, starost of Leżajsk and Knight of the Order of the White Eagle, awarded in 1769.
Relevant evidence: No