| Name | Guelph IV Duke Bavaria | |
| Born | Abt 1039 | |
| Gender | Male | |
| AFN | 9HMV-5Q | |
| Died | 3 Nov 1091 | |
| Person ID | I18761 | Smoky Mountain Ancestral Quest |
| Last Modified | 12 Jan 2001 | |
| Father | Azo II Marquis Este, b. 3 Jul 1109, d. 1096 | |
| Mother | Cunigunde Bavaria, b. Abt 1019, d. 15 Mar 1044 (Age ~ 25 years) | |
| Married | 1034/1039 | |
| Family ID | F9652 | Group Sheet |
| Family 1 | Judith Countess Of Northumberland, b. Abt 1036, , Flanders | |||
| Married | 1070 | |||
| Children |
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| Family ID | F6681 | Group Sheet | ||
| Family 2 | Ethelinda Saxony | |
| Family ID | F9643 | Group Sheet |
| Notes |
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