Stephenson Family Tree » Gronwy ap Bywyr (± 1140-????)

Personal data Gronwy ap Bywyr 

  • He was born about 1140 in of Dol,Corwen,Merionethshire,Wales.
  • This information was last updated on October 20, 2023.

Household of Gronwy ap Bywyr

(1) He has/had a relationship with Generis ferch Cynfyn Hirdref.


(2) He has/had a relationship with Generys Verch Rhys Sais.

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About the surname Bywyr

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When copying data from this family tree, please include a reference to the origin:
Brian K. Stephenson , "Stephenson Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/stephenson-family-tree/I131918.php : accessed May 5, 2025), "Gronwy ap Bywyr (± 1140-????)".