Adelheid zur Lippe was born circa 1350 to Otto zur Lippe (c1300-c1360) and Irmgard von der Mark (c1310-1360) and died circa 1397 of unspecified causes. She married Otto II. von Rietberg (c1352-1389) 1370 JL .
Children
| Name | Birth | Death | Joined with |
| Konrad IV. von Rietberg (c1371-1428) | 1371 | 21 June 1428 | Irmgard von Diepholz (c1373-1426) |
| Johann von Rietberg (?-c1426) | |||
| Otto von Rietberg (?-t1406) | |||
Footnotes (including sources)
| ‡ General |
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