Nielsen Hayden genealogy
Tangwystl
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Name Tangwystl [1] Gender Female Person ID I5281 Ancestry of PNH, TNH, and others | Ancestor of TWK Last Modified 6 Jan 2018
Family Llywelyn Fawr ap Iorwerth, b. Abt 1173, d. 11 Apr 1240, Aberconwy Abbey, Conwy, Wales
(Age ~ 67 years) Children + 1. Grufudd ap Llywelyn ab Iorwerth Drwyndwn ab Owain Gwybnedd, d. 1 Mar 1244, Tower of London, London, England 
Last Modified 10 Aug 2020 Family ID F2104 Group Sheet | Family Chart
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Sources - [S76] The Oxford Dictionary of National Biography. Oxford University Press, 2004-ongoing.
- [S76] The Oxford Dictionary of National Biography. Oxford University Press, 2004-ongoing.