How was Fridlevus II related to Halfdan?
Fridlevus II Fridleif (Ynglinga saga) was a son of Fróði of the Skjöldung (Scylding) lineage. In that work he was the brother of Halfdan and the father of Áli the Strong.
Bogdan IV of Moldavia Bogdan IV of Moldavia was Prince of Moldavia from 1568 to 1572. He succeeded to the throne as son of the previous ruler, Alexandru Lăpușneanu.