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PRYDAIN ap Aedd. King of Cornwall. (Brydain).
Son of AEDD MAWR. Legend says the Prydain/Brydain found the island Britain and gave it his name.

In Lebor Gabala Erenn, the father of Prydain (there called "Prince Britain") is Fergus Red-Side. (S6).

Prydain, the son of Aedd Mawr, was born on the morning of Alban Eilir, that is, the ninth day of March, according to the computation of the Romans; therefore the beginning of the year was fixed on his day, as a day of feast and institution, as it is still to this day. In old times it was called the first day of Cyntevin, 10 the end of Cyntevin being the feast of Alban Hevin 11 From thence to Alban Elved 12 it was called Summer, and also Harvest; from Alban Elved to Alban Arthan 13 it was called Autumn; and from thence to Alban Eilir, 14 Winter. According to the computation of the Church and the Courts of Law, Alban Eilir was said to be the tenth of March, but in the chronology of the Cymry and the Romans it was said to be the ninth of March. Before the time of Prydain, the son of Aedd the Great, the beginning of the year was fixed upon the day of Alban Arthan, which was the ninth of the month of December, according to the chronology of the Cymry. (See John Jones's Almanack, 1752.) (S7).

In the time of Howel the Good, King of all Wales, Fifteen Tribes, of the principal families who claimed Cambro-British privileges, were enfranchised; for Howel the Good, the son of Cadell, the son of Rhodri the Great, being king of all Wales, caused the ancient laws of Dyvnwal Moelmud, the son of Dyvnvarth, the son of Prydain, the son of Aedd the Great, to be renewed and improved ; for which purpose, the chiefs of families of the Welsh nation were summoned to the Holy House on Taff, in Dyved. But because the principal families of North Wales and Anglesea had become degenerated, by intermarriages with Irish and Lochlynians of mean descent, no more than fifteen heads of families, of all the principal tribes of the Welsh nation, could be found there, of unmixed lineage and species ; therefore Howel caused those heads of houses, together with their lineal descendants, to be enfranchised, as the fifteen tribes of genealogical chieftaincy, and he conferred on them the rights of seat and voice in every extraordinary convention, and in all courts of commons and lords throughout Britain. At this time, also, the twenty-four principal lineages, of undegenerate descent, were enfranchised in Powis; with full rights of seat and voice in every national assembly of commons and lords, and in every extraordinary convention, throughout the Island of Britain. These privileged heads of families, were especially enjoined, by law, to keep genealogical rolls in due order; according to the manner of preserving such records in the districts of Glamorgan and Gwent ; so that the worthiness and nobility of family chiefs might be verified, and due privileges conferred on the most meritorious of them. It was in this manner that authorised memorials of noble genealogy and arms originated in North Wales and Powis; and Howel the Good, in his wisdom, made a book, entitled "The Nobility of the men of the North;" i. e. the nobility of the tribes of Gwynedd and Mona, and the lineages of Powis. (S5).

Prydain is the medieval Welsh term for the island of Britain (the name Albion was not used by the Welsh). More specifically, Prydain may refer to the Brittonic parts of the island; that is, the parts south of Caledonia. This distinction appears to derive from Roman times, when the island was divided into Roman Britain to the south and the land of the Caledonians to the North. The peoples north of the Roman borders eventually came to be known as the Picts (Welsh: Brithwyr); the Welsh term for Pictland was Prydyn, which caused some confusion in the texts with Prydain. In Middle Welsh texts, the related term Ynys Prydein (Island of Britain), or Ynys Brydein, can also refer to the island (ynys) itself but more often is a name for the Brittonic territories south of Caledonia. It is in this context that the name of the collection of traditional material arranged in triads known as Trioedd Ynys Prydein should be understood. In modern Welsh ynys means 'island', but in Middle Welsh it can also mean 'land' or 'realm' (cf. Latin insula). (S8).


  1. DYFNARTH ap Prydain, Ruler in Cornwall.
  2. ANNYN TRO ap Prydain . He was the father of Selys Hen.


ADAM (0-930AM) md  EVE
SETH (130-1042AM)
ENOS (235-1140AM)
CAINAN (325-1235AM)
JARED (460-1422AM)
ENOCH (622-1048AM)
LAMECH (874-1651AM)
NOAH (1056-2006AM)
SHEM (1548-2159AM)
ARPHAXAD (1659-2097AM)
SALAH (1694-2127AM)
EBER (1724-2188AM)
PELEG (1758-1997AM)
REU (1788-2027AM)
SERUG (1820-2050AM)
NAHOR (1850-1998AM)
TERAH (1878-2083AM)
ABRAHAM (1948-2123AM) (Abram). 
ISAAC (2049AM-2229AM) = Rebecca
JACOB (Israel)(2109AM-2256AM)
JUDAH.  He married TAMAR
ZERAH (Zeus).  He married  ELECTRA
DARDANUS (Darda).  He married  BATES  [Dardanus is a descendant of Mahol and Zerah]
ERICHTHONIUS .  He married Astyoche Ilium
TROAS, King of Dardania.  He married and Callirhoe Illium
ASSARACUS, King of Dardania
CAPYS, Prince of Troy, and THEMISTE
ANCHESES, Prince of Troy, and FETJUIR
AENEAS, King of Latium, and CREUSA
IULUS ASCANIUS ap Aeneas, King of Alba Longa
SYLVIUS ap Iulus Ascanius (Silvius)
BRUTUS ap Sylvius.  [Geoffrey of Monmouth, in Historia Regum Britanniae, says explicitly, Brutus is the grandson, rather than son, of Ascanius].
CAMBER ap Brutus
DYFNWAL HEN ap Gorbonian
CYNGEN ap Dyfnwal
ASSER ap Cyngen
HENWYN ap Bleiddud = RHAGAW verch Llyr (King Lear)
CUNEDDA ap Henwyn	
RHIWALLON ap Cunedda
GWRWST ap Rhiwallon
SEISYLL ap Gwrwst
ANTONIUS ap Seisyll  (about 1300BC)
(descendant of)
AEDD MAWR  (living about 300BC)
PRYDAIN (Brydain) ap Aedd (c300BC-?)

Prydain ap Aedd  (c300BC-?)
Dyfnarth ap Prydain  (c260BC-?)
Crydon ap Dynfarth  (c230BC-?)
Cerwyd ap Crydon  (c200BC-?)
Eneid ap Cerwyd (170BC-112BC)
Manogan ap Eneid  (c135BC-72BC)
Beli Mawr  (c110BC-c72BC)
Affleth ap Beli Mawr  (c80BC-?)      
Afallach  (c30BC-?)
Enddolen ap Afallach  (c20AD-?)
Endos ap Enddolen  (c50AD-?)
Enied ap Endos  (c80AD-?)
Endeyrn ap Enied  (c110AD-?)
Endicant ap Endeyrn  (c140AD-?)
Deheuwaint ap Endicant  (c170AD-?)
Rydeyrn  ap Deheuwaint  (c200AD-?)
Gwrtheyrn ap Rydeyrn  (c230-?)
Cyndeyrn ap Gwrtheyrn  (c260-?)
Rhuddfedel Frych ap Cyndeyrn  (c290-?)
Brydw ap Rhuddfedel Frych  (c320-?)
Pasgen ap Brydw  (c350-?)
Cadell Ddyrnllwg ap Pasgen  (c380-?)
Pasgen ap Cadell Ddyrnllwg  (c420-?)
Mawn ap Pasgen  (c450-?)
Cyngen ap Mawn  (c480-?)
Brochwel Ysgithrog ap Cyngen (c520-?). 
Cynan ap Brochwel Ysgithrog.  (c550-?)  
Cadell ap Cynan.  (c580AD-c616AD)
Gwnfyw Frych ap Cadell (c600-?)
Gywnnan ap Gwnfyw Frych (c620-?)
Gwriawn ap Gywnnan.  (c660-?)
Byordderch ap Gwriawn (c690-?)
Bywyn ap Byordderch (c720-?)
Gwaethgar Gwaeddgar ap Bywyn. (c755-?)
Gwrgant ap Gwaeddgar. (c790-?) 
Cadfarch ap Gwrgant. (c820-?)
Ynyr ap Cadfarch (c875-?) and Rhiengar
Tudor Trevor (c900-?) and  Angharad ferch Hywel Dda
Dyngad ap Tudor Trevor (c930-?)  and Sissely verch Seferys
Rhiwallon ap Dyngad.  (c965-1040)
Caragdog ap Rhiwallon. (c1000-?)
Breichiol ap Caradog (c1030-?)
Pyll ap Breichiol (c1060-?).
Meurig ap Pyll (c1095-?). 
Caradog of Penrhos. (Caradog ap Meurig) (c1125-?). 
Iorwerth ap Caradog (c1150-?)  and Alis ferch Bleddyn.
Adam Gwent  (Adam ap Iorwerth) (c1190-)
John ap Adam (Adam Fynchan) (c1220-?)
(Sir) John ap Adam (c1255-1311) and Elizabeth de Gournay
Thomas ap Adam (c1307-c1343) and Joan Inge
John ap Adam (c1330-c1376) married Millicent Bessylls
(Sir) John ap Adams (c1360-?)  (He added the "s" to the name,) md Clara Powell
Roger Adams (1392-?) and Jane Ellyott
Thomas Adams (1422-1452) and Marie Upton
John Adams (1452-1483) and Jane Rannelegh
John Adams (1482-1577) and Catherine Stebbing
John Adams (c1500-1543) and Margery Squire
Richard Adams (1530-1603) and Margaret Armager
Robert Adams (1550-1602) and Elizabeth Sharlon
Robert Adams (1602-1682) and Eleanor Wilmot
Elizabeth Adams (1641-1718) and Edward Phelps
Samuel Phelps and Sarah Chandler
John Phelps and Sarah Andrews
John Phelps and Deborah Lovejoy
Samuel Phelps and Margaret Nevins
Ebenezer Ferrin and Lydia Phelps
Samuel Ferrin and Sally Clotilda Powell
Lydia Powell Ferrin and George William Washington Williams
George William Williams and Harriett Thurston
Minnie Williams and Clive Vernon Tenney
Mildred Ella Tenney and Glenn Russell Handy
Deborah Lee Handy and Rodney Allen Morris