She made negotiations with Frederick , Duke of Bavaria , to marry her daughter , Margaret to his son , Henry XVI , Duke of Bavaria .
Head entity: frederick, duke of bavaria Q694351 4 5 6 7 8
Tail entity: henry xvi, duke of bavaria Q62216 20 21 22 23 24 25
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22