"Ernest I (died 31 March or 31 May 1015) was the Duke of Swabia (1012–1015). He was a younger son of Leopold I, the Babenberg Margrave of Austria. His mother was called Richardis of Sualafeldgau." - (en.wikipedia.org 16.11.2019)
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| Husband of | Gisela of Swabia ↓ |
|---|---|
| father of | Ernest II [son of], Gisela of Swabia [mother of] ↓ |
| father of | Herman IV, Duke of Swabia [son of], Gisela of Swabia [mother of] ↓ |
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