FAM-07405The Seisyll FamilyView this family in the treeMembers (2)ASNo Photo AvailableArthen ap SeisyllDates unknownPERSON-019230Research NeededLSNo Photo AvailableLlywelyn ap Seisyll0980 – ABT 1021 Rhuddlan, Tegeingl, Kingdom of GwyneddPERSON-019231Research Needed