Welsh (Illegitimate) Royal Descent for Capt. William Peirce

  1. Madog ap Maredudd (prince of Powys). He died 1160 and had twin illegitimate sons by Efa f. Eirian - Einion Efell of Cynllaith and Cynring Efell. [1]
  2. Einion Efell of Cynllaith, b. ca. 1130. [2]
  3. Rhun, b. ca. 1170 = Elizabeth d. John Strange of Knockin [3]
  4. Cuhelyn, living 1230 = Efa f. Gronwy [4]
  5. Ieuaf ap Cuhelyn = Efa f. Adda [5]
  6. Madog Goch, b. ca. 1270 = LLeucu f. Hywel Goch [6]
  7. Madog Cyffin, b. ca. 1300 = Tangw. f. Ien Foel [7]
  8. Ieuan Gethin ap Madog Cyffin, b. ca. 1330 = Margred f.Lln. [8]
  9. Gruffid, b. ca. 1370 = Margred ap rhys [9]
  10. Gwenhwyfar, b. ca. 1400 = Ieuan ap Gr. [10]
  11. Dafyyd Llwyd, b. ca. 1430 [11]
  12. Margaret vch. David b. ca. 1475, d. 1540 = John ap Llewellyn [12]
  13. Thomasin, b. ca. 1505, d. ca. 1540 = Piers Reynold
  14. Humfrey ap Piers Reynold, b. ca. 1535, d. 1598
  15. Capt William Peirce, b. ca. 1580, d. ca. 1647 in Virginia.

Notes

  1. https://en.wikipedia.org/wiki/Madog_ap_Maredudd; Dr P. C. Bartrum, Welsh Genealogies, Bleddyn ap Cynfyn 3, https://research.aber.ac.uk/en/datasets/bartrum-genealogical-project; Carl Boyer, Medieval Welsh Ancestors of Certain Americans, 3rd ed. (Santa Clarita, 2004), 14.
  2. Bartrum, Bleddyn ap Cynfyn 7; Boyer, 16.
  3. Bartrum Bleddyn ap Cynfyn 7; Boyer, 20.
  4. Bartrum Bleddyn ap Cynfyn 7; Boyer, 24.
  5. Bartrum, Bleddyn ap Cynfyn 8; Boyer, 26.
  6. Bartrum, Bleddyn ap Cynfyn 8; Boyer, 29.
  7. Bartrum, Bleddyn ap Cynfyn 8; Boyer, 31.
  8. Bartrum, Bleddyn ap Cynfyn 9; Boyer, 33.
  9. Bartrum, Bleddyn ap Cynfyn 10
  10. Bartrum, Bleddyn ap Cynfyn 10, Gwenwys 1.
  11. Bartrum, Gwenwys 1.
  12. James White, “The Possible Welsh Ancestry of Captain William Peirce of Jamestown and Mulberry Island, Virginia” (unpublished manuscript, 2021; updated 2025), http://jimserver.net/downloads/Capt_Wm_Peirce.pdf.