Nielsen Hayden genealogy
Seisyll
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Name Seisyll Born Abt 1130 of Meirionnydd, Wales
[1] Gender Male Person ID I29521 Ancestry of PNH, TNH, and others | Ancestor of TWK Last Modified 10 Aug 2020
Family Isabel ferch Bradwen Children + 1. Einion ap Seisyll, b. Abt 1170 Last Modified 10 Aug 2020 Family ID F17603 Group Sheet | Family Chart
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Sources - [S3215] Medieval Welsh Ancestors of Certain Americans by Carl Boyer III. Santa Clarita, California, 2004.
- [S3215] Medieval Welsh Ancestors of Certain Americans by Carl Boyer III. Santa Clarita, California, 2004.