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Male Count Johann III of Heydeck Click to view Count Johann III of Heydeck in the family tree

Count Johann III of's father was Count Johann II of Heydeck and his mother was Princess Agnes of Waldburg.  His paternal grandparents were Count Friedrich II of Heydeck and Princess Beatrix of Teck. He had a sister named Princess Barbara of.


Count Johann III of's family with Baroness Elisabeth of Sickingen

They had a son named Count Johann VI of.

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