Mathilde von Northeim1050–
- Name
- Mathilde von Northeim
| Birth | 1050 |
| Birth of a son #1 | Hermann von Werl-Arnsberg about 1070 (Age 20 years) |
| Birth of a son #2 | Heinrich I. von Rietberg about 1070 (Age 20 years) |
| Birth of a son #3 | Friedrich von Arnsberg about 1072 (Age 22 years) |
| Birth of a son #4 | Heinrich I. von Rietberg about 1074 (Age 24 years) |
| Birth of a son #5 | Heinrich I. von Rietberg about 1081 (Age 31 years) |
| Death of a husband | Konrad von Werl-Arnsberg 1092 (Age 42 years) |
| Death of a son | Hermann von Werl-Arnsberg July 19, 1092 (Age 42 years) |
| Marriage of a child | Heinrich I. von Rietberg — Beatrix von Hildrizhausen — View this family 1106 (Age 56 years) |
| Death of a son | Heinrich I. von Rietberg 1116 (Age 66 years) |
| Death of a son | Friedrich von Arnsberg 1124 (Age 74 years) |
| Family with Konrad von Werl-Arnsberg |
| husband |
Konrad von Werl-Arnsberg Birth: about 1040 Death: 1092 |
| herself |
Mathilde von Northeim Birth: 1050 |
| son |
Hermann von Werl-Arnsberg Birth: about 1070 30 20 Death: July 19, 1092 — Ostfriesland |
|
3 years son |
Friedrich von Arnsberg Birth: about 1072 32 22 Death: 1124 |
|
-1 years son |
Heinrich I. von Rietberg Birth: estimated as close to sibling(s) — about 1074 Death: in battle — 1116 — Welfesholz |