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RHIWALLON ap Dyngad.
Born about 965AD, of Maelor Gymraeg, Wales; son of DYNGAD ap Tudor Trevor and SISSELY verch Seferys. {S3}.

Maelor is a border area of north-east Wales. It originated as a Cantref of the Kingdom of Powys, focused on Bangor-on-Dee. The Maelor was first divided from the rest of Wales by the construction of Offa's Dyke in the eighth century, but was reclaimed for Wales during the reign of Stephen of England (1135-54) by Madog ap Maredudd of Powys. The Maelor Gymraeg, the "Welsh-speaking Maelor", is an ancient district of Wales to the west of the River Dee, and corresponds approximately to the later parishes of Bersham, Erbistock, Marchwiel, Ruabon and Wrexham in the historic county of Denbighshire which was created in 1536. The Maelor Gymraeg is separate from The Maelor Saesneg, the "English-speaking Maelor," an area of Wales along the eastern border that merged with Cheshire. {S10}.

He is NOT the Rhiwallon who married Lettice (Letita) {S6}, but that was a later Rhiwallon who was born about 1130.

He is confused with Rhiwallon ap Cynfyn, Prince of Powys, who was killed in 1069 at the Battle of Mechain in Montgomeryshire, Wales.

He died in 1040. {S5}.


  1. Cynwrig ap Rhiwallon. (Cynwric)(Cynric)(Cynrig-S6)(Kynvrig-S7)(Kenric-S8). Lord of Whittington and Maelor Cymraeg. Born about 995AD, of Maelor Gymraeg. He married Annesta (Anne), daughter of Idnerth Benfras, Lord of Maesbrook, by whom he had two sons, Dafydd and Rhiwallon. Cynwrig ap Rhiwallon is confused with Cynwrig ap Rhiwallan ap Cynfyn, who was slain by the sons of Gruffudd in (1073AD-S6)(1074-S5)(1075-S3,S9) in Lleyn (Llyn). He did not marry Judith, daughter of Ivor Hen of Rhos. Judith married a later Cynwrig ap Rhiwallon.
  2. CARADOG ap Rhiwallon. Born about 1000AD. He appears in several Llandaff Charters. In a charter which scholars date to about 1045AD, he described himself as decomitibus, comes, or comites to Meurig (ap Hywel ap Owain ap Morgan Hen), King of Glamorgan. (Text of the Book of Llan Dav, pp 261). He is described as "breaking the sanctuary" at the bidding of King Meurig by bearing off by force the wife of Seisyll from the church door. He made a death-bed grant of 100 acres to the church in about 1075, in which he remembered his many sins, including the murder of his brother Cynan. This is made with the guarantee of Roger, Earl of Hereford and lord of Gwent, son of William fitz Osbern - comitis herfordie et domini guenti Rogerii filii Willelmi filii Osberni. {S2,S4}.
  3. Cynan. (Cynvin)(Cynfyn). Murdered by his brother Caradog. {S2,S3}.
  4. Sioned (Sian)(Jonet, Janet) verch Rhiwallon. Born about 1005, of Powys, Monmouthshire, Wales. {S3}. It has been reported that she was the daughter of Rhiwallon ap Cynfyn, but source 5 assets that she is the daughter of Rhiwallon ap Dyngad, and that Rhiwalolon ap Cynfyn would have been too early. She married Ednyfed, son of Llywarch and Lucy. She died in 1068.


ANCESTORS OF Rhiwallon ap Dyngad:
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)
AEDD MAWR  (living about 300BC)
PRYDAIN (Brydain) ap Aedd (c300BC-?)
DYFNARTH ap Prydain
CRYDON ap Dyfnarth
CERWYD ap Crydon
ENEID ap Cerwyd
MANOGAN ap Eneid
Beli Mawr
Affleth ap Beli Mawr
Afallach ap Affleth
Enddolen ap Afallach
Endos ap Enddolen
Enied ap Endos
Endeyrn ap Enied
Endicant ap Endeyrn
Deheuwaint ap Endicant
Rydeyrn  ap Deheuwaint
Gwrtheyrn ap Rydeyrn
Cyndeyrn ap Gwrtheyrn
Rhuddfedel Frych ap Cyndeyrn
Brydw ap Rhuddfedel Frych
Pasgen ap Brydw
Cadell Ddyrnllwg ap Pasgen
Pasgen ap Cadell Ddyrnllwg
Mawn ap Pasgen
Cyngen ap Mawn
Brochwel Ysgithrog ap Cyngen
Cynan ap Brochwel Ysgithrog
Cadell ap Cynan
Gwnfyw Frych ap Cadell
Gywnnan ap Gwnfyw Frych
Gwriawn ap Gywnnan
Byordderch ap Gwriawn   
Brwyn (Bywyn)  ap Byordderch
Gwaeddgar ap Brwyn
Grwgant ap Gwaeddgar
Cadfarch ap Gwrgant
Ynyr ap Cadfarch
Tudor Trevor
Dyngad ap Tudor Trevor (c930-?)  and Sissely verch Seferys
Rhiwallon ap Dyngad.  (c965-1040)

Rhiwallon ap Dyngad.  (c965-1040)
Caradog 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