Johann of Isenberg-Limburg
Johann of Isenberg-Limburg, count of Limburg (born before 1246, died before 1277), son of Dietrich I of Isenberg. He married Agnes von Wildenberg; they had three children:
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Wikipedia
Johann of Isenberg-Limburg, count of Limburg (born before 1246, died before 1277), son of Dietrich I of Isenberg. He married Agnes von Wildenberg; they had three children: