Tangwystl was said to be a prophetess.
Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum given Tangwystl a number of 1 in his generational dating system, which implies a birth date of, very roughly, about 1030.
Living: 1075.
The date is given by Bartrum (Early Series, 41).
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Iago ab Idwal ap Meurig.
This relationship is shown by Bartrum (Early Series, 41).
(supposed) Mother: Afandreg ferch Gwair.
This relationship is shown by Bartrum (Early Series, 41).
Spouse: Llywarch Howlbwrch.
This relationship is shown by Bartrum (Early Series, 41).
Children:
Cynon married a daughter of Cadwallon ap Cadrod, arglwydd Mochnant.
References
Bartrum, Peter C., “Early Series, 41” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources Bartrum cites for Tangwystl are his own “Pedigrees of the Welsh Tribal Patriarchs (11), Peniarth 139 part 2 (88), by Gruffudd Hiraethog (died 1564); and Jones’ The History of Gruffydd ap Cynan pp. 112-115.]
Bartrum, Peter C., “Pedigrees of the Welsh Tribal Patriarchs” in National Library of Wales Journal Cyf.13, rh.2, p. 93-146. (Gaeaf 1963).
Jones, Arthur (ed.) The History of Gruffydd ap Cynan. (Manchester U.P., 1910).