Question: What is the date of death of Magnus Brahe (1790–1844)'s mother?
Sentence (from "Magnus Brahe (1790–1844)"): Nils Magnus Brahe was the son of Swedish Count Magnus Fredrik Brahe (1756-1826) in his first marriage with Baroness Ulrika Katarina Koskull (1759-1805), and thus a member of the Brahe comital family.
Relevant evidence: No