IORWERTH DRWYNDWN
(
The Flat-nosed
)
(d. probably
c.
1174
),
elder son of
Owain Gwynedd
(q.v.)
by
Gwladus
, daughter of
Llywarch ap Trahaearn
. He m. a
princess
of
Powys
, namely
Marared
, daughter of
Madog ap Maredudd
(q.v.)
, by whom he had one son, the future
Llywelyn ap Iorwerth
(q.v.)
. In the partition of his father's territories he received
Arfon
and probably
Nanconwy
. Shortly afterwards he disappears from view, probably dying about the time of the usurpation of power in
Upper Gwynedd
by his half-brother,
David
I
, in
1174
.
Author:
Professor Thomas Jones Pierce, M.A., F.S.A., (1905-1964),
Aberystwyth