Ingeborg of Mecklenburg Schwerin

Ingeborg of Mecklenburg was a daughter of Albert II, Duke of Mecklenburg and his wife, Euphemia of Sweden. Euphemia was a daughter of Ingeborg of Norway, who was the only legitimate child of King Haakon V of Norway. Thus, Ingeborg of Mecklenburg was Haakon Vs greatgranddaughter.

NA

Source: Wikipedia