Gronwy Fychan ap Gronwy ap Ednyfed Fychan of Tref Castell
(Abt 1294-)
Madog ap Goronwy Fychan of Tref Castell
(Abt 1292-)
Margred verch Robert
(Abt 1304-)
Generys verch Madog ap Gronwy Fychan
(Abt 1326-)


Family Links

1. Gruffydd ap Gwilym Lord of Penrhyn and Cwchwillan

Generys verch Madog ap Gronwy Fychan 1 2 3 4

  • Born: Abt 1326, Penmynydd, Anglesey, Wales
  • Marriage (1): Gruffydd ap Gwilym Lord of Penrhyn and Cwchwillan about 1360

   Other names for Generys were Generis verch Madoc of Penmynydd, Anglesey, Genesis verch Madoc and Generys verch Madog ap Goronwy Fychan.

  Research Notes:

Daughter and heiress of Madog ap Goronwy Fychan

From Welsh Biography Online ( :

"(2) GRIFFITH AP GWILYM (d. 1405) m. (c. 1360) Generys, daughter and heiress of Madog ap Goronwy Fychan who was third in descent from Ednyfed Fychan through his son, Goronwy , ancestor of the Tudors (see under Ednyfed Fychan ). She brought to her husband lands at Gwredog in Anglesey, together with her share of the family lands at 'Gafael Goronwy ab Ednyfed,' in the township of Cororion in Caernarvonshire. 'Gafael Goronwy ab Ednyfed' was the nucleus of the Penrhyn estate and the whole Gafael corresponds roughly to the present Penrhyn demesne, or park. This marriage marks the first link between the Griffith family and Penrhyn, but Griffith ap Gwilym lived throughout his life in north-east Wales. With his brother BLEDDYN, he d. in rebellion with Owain Glyndwr (q.v.) before Oct. 1406, but Bleddyn's descendants, together with those of Griffith ap Gwilym, through his youngest son, Rhys, continued to be represented in Flintshire and Denbighshire until the 16th cent. The personal connection of the family with Anglesey and Caernarvonshire began with the eldest and second sons of Griffith ap Gwilym."
From Annals and Antiquities, Vol. I, p. 362: "Gruffydd ap Gwilym, of Penrhyn and Cochwillan, by Generis, his wife, dau. and h. of Madoc ap Grono, or Gronwy, Fychan, of Penmynydd, Anglesey ("ap Gronwy ap Ednyfed Fychan"--Dwnn), had three sons and two daus."

From History of the Princes, the Lords Marcher, Vol. IV, p. 342: "Generys, d. of Goronwy Fychan ab Goronwy ab Ednyfed Fychan of Tref Castell, Penmynydd, Arddreiniog, and Tref Gayan." 5

Generys married Gruffydd ap Gwilym Lord of Penrhyn and Cwchwillan, son of Gwilym ap Gruffydd ap Heilen Lord of Penrhyn and Cwchwillan and Eva verch Gruffydd ap David of Cwchwillan, about 1360. (Gruffydd ap Gwilym Lord of Penrhyn and Cwchwillan was born about 1322 in Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales and died in 1405 in Austria-Hungary.)

  Marriage Notes:

Source: Welsh Biography Online (




3 Nicholas, Thomas, Annals and Antiquities of the Counties and County Families of Wales (Vol. 1. London: Longmans, Green, Reader, & Co., 1872), p. 362.

4 Honourable Society of Cymmrodorion, Dictionary of Welsh Biography (National Library of Wales. 2007. Welsh Biography Online. <> ),

5 Lloyd, Jacob Youde William, The History of the Princes, the Lords Marcher, and the Ancient Nobility of Powys Fadog, and the Ancient Lords of Arwystli, Cedewen, and Meirionydd. (Vol. 4. London: Whiting & Co., 1884.), p. 342.

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