 MaleDuke of Jülich-Berg Wilhelm von Jullich, IV |
| Birth | 9 Jan 1455 | Jülich, Duren, North Rhine-Westphalia, Germany  |
| Death | 6 Sep 1511 | Dusseldorf, North Rhine-Westphalia, Germany |
| Burial | Altenberg, Rheinisch-Bergischer Kreis, North Rhine-Westphalia, Germany |
|
| Marriage | 25 Jul 1481 | Jülich, Duren, North Rhine-Westphalia, Germany |
| Father | Duke of Jülich-Berg Gerhard von Jullich, VII | F1514 Group Sheet | |
| Mother | Princess Sofie von Saxe-Lauenburg | F1514 Group Sheet | |
 FemaleDuchess of Jülich and Duchess of Berg Princess Sybille von Brandenberg |
| Birth | 31 May 1467 | Ansbach, Bavaria, Germany |
| Death | 9 Jul 1524 | Rhein, Oberbergischer Kreis, North Rhine-Westphalia, Germany |
| Burial | Altenberg, Rheinisch-Bergischer Kreis, North Rhine-Westphalia, Germany |
|
| Father | Elector of Brandenburg Albrecht Achilles, III | F565 Group Sheet | |
| Mother | Anna von Saxony Wettin | F565 Group Sheet | |
| Female Duchess of Jülich-Berg Maria von Jullich |
| Birth | 3 Aug 1491 | Jülich, Duren, North Rhine-Westphalia, Germany |
| Death | 19 Aug 1543 | Büderich, Neuss, North Rhine-Westphalia, Germany |
| Burial | ||
| Spouse | Duke of Cleves, Count of Mark Johann von Kleve, III | F4894 | |
| Marriage | 1 Oct 1510 | Rhineland-Palatinate, Germany |
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