Dafydd ap Ieuan ap Einion held it for the Lancastrians, until famine, rather than Edward IV., made him surrender.
Machynlleth (perhaps Maglona in Roman times) has Owen Glendower's "senate house" (1402), and is known as the scene of Glendower's attempted assassination by Dafydd Gam.
Historically, David (Dafydd), brother of the last Llewelyn, was here (aet.
Dafydd ab Gwilym >>
When a noun comes first, it is followed by a relative pronoun, thus, Dafydd a brynodd lyfr yno, which really means " (it is) David who bought a book there," and is never used in any other sense in the spoken language, though in literary Welsh it is used rhetorically for the simple statement which is properly expressed by putting the verb first.
In sentences in which a noun comes first, the interrogative particle is ai, and the answer is always, positive tie, negative nage; as ai Dafydd a ddaw ?
A relative pronoun immediately precedes its verb and can only be separated from it by an infixed pronoun, thus Dafydd a'i prynodd, " (it is) David who bought it," yno y'm gweli, " (it is) there that thou wilt see me."
In the castle Owen Goch (Owen the Red) was imprisoned from 1254 to 1277, by the last Llewelyn, whose brother Dafydd held it for some time against Edward I.