IV Gerhard1078–
- Name
- IV Gerhard
| Birth | about 1078 48 63 |
| Confirmation | comte (count) |
| Death of a father | Gerard II. de Equisheim about 1096 (Age 18 years) |
| Death of a mother | Berta de Bourgogne 1105 (Age 27 years) |
| Death of a half-sister | Heilwig d'Egisheim between 1118 and January 11, 1126 (Age 40 years) |
| Family with parents |
| father |
Gerard II. de Equisheim Birth: baptismal date — November 18, 1029 — Equisheim, Haut-Rhin, Alsace, France Death: about 1096 — France |
| mother |
Berta de Bourgogne Birth: was abt 1015 — about 1015 — Equisheim, Haut-Rhin, Alsace, France Death: 1105 — Equisheim, Haut-Rhin, Alsace, France |
| elder sister |
Swanhilde d'Egisheim Birth: assumed match — about 1045 15 30 — Metz, Moselle, Lorraine, France Death: 1075 |
|
53 years himself |
IV Gerhard Birth: about 1078 48 63 — Equisheim, Haut-Rhin, Alsace, France |
| Father’s family with Petronilla de Verdun |
| father |
Gerard II. de Equisheim Birth: baptismal date — November 18, 1029 — Equisheim, Haut-Rhin, Alsace, France Death: about 1096 — France |
| step-mother |
Petronilla de Verdun Birth: between 1035 and 1054 25 — Equisheim, Haut-Rhin, Alsace, France Death: 1081 — France |
| half-sister |
Heilwig d'Egisheim Birth: estimated as equal to husband's birth year — between 1060 and 1076 30 25 — Equisheim, Haut-Rhin, Alsace, France Death: between 1118 and January 11, 1126 — Lorraine, France |