Mechthild von Bronckhorst
Mechthild von Bronckhorst was the wife of Count John III of Oldenburg and mother of his four sons, including his successor John IV. Genealogies name her as a daughter of Gisbert of Bronckhorst.
Mechthild von Bronckhorst was the wife of Count John III of Oldenburg and mother of his four sons, including his successor John IV. Genealogies name her as a daughter of Gisbert of Bronckhorst.