"Bertha of Rheinfelden (also Bertha of Bregenz) (b.c. 1065; d. after 1128), countess of Kellmünz, was the daughter of Rudolf of Rheinfelden and wife of Ulrich X of Bregenz." - (en.wikipedia.org 01.11.2019)
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| Wife of | Ulrich X, Count of Bregenz ↓ |
|---|---|
| daughter of | Rudolf of Rheinfelden [father of], Adelaide of Savoy [mother of] ↓ |
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