Jadwiga's 1386 marriage to Jagiello, the Grand Duke of Lithuania, led to Poland's strategic alliance with that powerful country.
The grand Duke of Lithuania, Jagiello, never had a wife.
mnli hypothesis: The grand Duke of Lithuania, Jagiello, never had a wife. premise: Jadwiga's 1386 marriage to Jagiello, the Grand Duke of Lithuania, led to Poland's strategic alliance with that powerful country.