Question: Who is the maternal grandmother of John Iii, Margrave Of Brandenburg-Salzwedel?
Sentence (from "Jadwiga Snopkowska"): Jadwiga Snopkowska( c. 1558–1606) was the first wife of Marek Sobieski, the mother of Jakub Sobieski and the grandmother of King John III Sobieski of Poland.
Relevant evidence: No