

| Name | Willem II van Gulik | |
| Prefix | Herzog | |
| Suffix | Wilhelm van Jülich-Berg VI | |
| Nickname | II | |
| Birth | Abt 1326 | Jülich, Rheinland, Prussia |
| Gender | Male | |
| _AMTID | 342757234242:1030:209433258 | |
| _COLOR | 27 | |
| _FSFTID | GS8T-8JM | |
| _UID | B832E07EFD1E4B9FAD09632FE1751DAAB26A | |
| Death | 13 Dec 1393 | Jülich, Nordrhein-Westfalen, Duitsland |
| Person ID | I33105 | World of Hyde |
| Last Modified | 17 Dec 2025 | |
| Father | Graf von Jülich Wilhelm V. von Jülich, b. 1299, Nideggen, Düren, North Rhine-Westphalia, Germany d. 26 Feb 1361, Düren, Köln, Nordrhein-Westfalen, Deutschland (Age 62 years) | |
| Mother | Jeanne de Hainaut, b. 1309, Le Quesnoy, Nord, France d. 1374, Nideggen, Jülich, Holy Roman Empire (Age 65 years) | |
| Marriage | 26 Feb 1324 | |
| Family ID | F9901 | Group Sheet | Family Chart |
| Family | Maria Van Gelre, b. 1338, Guelders, Belgium d. 12 May 1405, Julich, Rheinland-Pfalz, Germany (Age 67 years) | |||
| Marriage | 25 Dec 1362 | |||
| Children |
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| Family ID | F9885 | Group Sheet | Family Chart | ||
| Last Modified | 15 Mar 2026 | |||