Count Heinrich I Von Rietberg
- 1118(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Count Heinrich I Von Rietberg [1] d. Between 1115 and 1118
- Beatriz Von Hildrizhausen d. Between 1115 and 1122
- 2 Eilika Von Rietberg [1.1]
- Count Egilmar II Von Oldenburg d. 1145
- 3 Eilika Von Oldenburg [1.1.1]
- Count Heinrich Von Tecklemburg
- 4 Count Simon Von Tecklemburg [1.1.1.1]
[ =>]
- 4 Count Simon Von Tecklemburg [1.1.1.1]
- 3 Christian I Von Oldenburg [1.1.2]
- Kunigunde Von Versfleth
- 4 Moritz I Von Oldenburg [1.1.2.1] d. 1209
[ =>]
- 4 Moritz I Von Oldenburg [1.1.2.1]
- 3 Eilika Von Oldenburg [1.1.1]
- 2 Eilika Von Rietberg [1.1]