Rhydderch ap John ap Gruffyd of Abergydolwyn, Merioneth

   Another name for Rhydderch was Rhydderch ap Sion of Abergydolwyn, Merioneth.

  Research Notes:

Source; FamilySearch.org (11/10/06) has b. abt 1548 in Talley, Carmarthenshire, Wales. Has name as Sion ap Rhydderch, but this would be a reversal of the actual name (Rhydderch ap Sion), since they had Catherine's name as Catherine verch Rhydderch Sion.

From the book Reifsnyder-Gillam Ancestry, Edited by Thomas Allen Glenn at the request of Howard Reifsnyder, privately printed, Philadelphia, 1902, provided by http://books.google.com, p. 45:

"Hugh ap David married Catherine, daughter of Rhydderch ap John, of Abergydolwyn, Merionethshire. According to deeds in possession of descendants, Catherine must have been born about 1584, and have been the eldest child..

"Rhydderch ap John, of Abergydolwyn, living 1583, was a son of John ap Gruffyd, of Abergydolwyn, grantee in a deed 1 February, 1553, and living 1583, son of Gruffyd ap Ievan, of Abergydolwyn, grantee in a deed 1516, living 1550, son of Ievan ap Owen, of Abergydolwyn, which Owen was born about 1430. Nothing further is known concerning the ancestry of the Abergydolwyn family."

Rhydderch married Marianne verch Owen ap David, daughter of Owen ap David ap Lewis and Unknown, in 1583.