Question: What is the date of death of Prince Gustaf, Duke Of Uppland's mother?
Sentence (from "Prince Gustaf, Duke of Uppland"): Prince Gustaf of Sweden and Norway, Duke of Uppland ("Frans Gustaf Oscar", 18 June 1827 – 24 September 1852), also known officially as Gustav, was the second son of Oscar I of Sweden and Josephine of Leuchtenberg, and the younger brother of Prince (from 1844 Crown Prince) Charles.
Relevant evidence: Yes