Ierworth ap Einion ap Griffith of Yns y Maengwyn

  Research Notes:

From the book Reifsnyder-Gillam Ancestry, edited by Thomas Allen Glenn (Philadelphia, 1902), provided by books.google.com, pp. 42-43:

"Ednyfed [ap Ierworth] was a son of Ierworth ap Einion of Yns y Maengwyn, who was farmer of the ville of Towyn (i.e., lessee of the Crown Revenues there) and of the office of Reglor of the comôt of Estimaner, Merionethshire, at Michaelmas, 1415, and also held in farm the office of Woodwarden of Estimaner at Michaelmas, 1425, for the term of two years, that being the first. The wife of Ierworth was Gwenllian, daughter of Kenric ap Rotpert of Tegaingl, and relict of James Eyton, of Eyton, in the County of Flint.

"Ierworth ap Einion was son of Einon ap Griffith, of Cors y Gedol, Merionethshire, Captain of Forty Archers for the King, from Merionethshire, 10 Richard II, Woodwarden of the comôt of Estimaner between 7 July, 1382, and 12 October, 1385, and son of Griffith ap Llewelyn, Sheriff of Merionethshire, 46 Edward III and 15 Richard II, son of Llewelyn ap Kenric, of Cors y Gedol, son of Osborn, surnamed 'Wyddel' (the Irishman), who settled in Wales in 13th Century, and who was assessed in the parish of Llanaber, 1293."

Ierworth married Gwenllian verch Kenric of Tegaingl, daughter of Kenric and Unknown.