Johann was the son of Ulrich I von Neuenburg and Agnès de Montbéliard. The date and place of his birth have not been found.
He died after 1331. The place is not known.
His wife was Jordane d'Oron. They were married, but the date and place have not been found. Their only known child was Gerhard (?-1339).
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Johann I von Aarberg |
Ulrich I von Neuenburg |
Ulrich III von Neuenburg |
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Jolanthe von Urach |
Egino IV von Urach |
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Agnes von Zähringen |
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Agnès de Montbéliard |
Thierry III de Montfaucon |
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Algearde von Pfirt |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | AFT 1331 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | seigneur de Valangin |