Walburgis, Countess of Rietberg
Countess of Rietberg, 1565-1576 and 1584-1586
(1555–1586)
Parents
John II, Count of Rietberg
Agnes Bentheim
Children
Agnes of Ostfriesland
Sabina Catherine of East Frisia
Siblings
Armgard, Countess of Rietberg
Partners
Enno III, Count of East Frisia