What little historical records we have pertaining to Queen Eadgifu tell us she exercised considerable power.
Historians have tended to give more weight to sources such as governmental and legal records than to chronicles, not least because so many survive. They open up areas of history impossible to access through chronicles alone, and they also provide a much more precise and detailed political narrative.
This article asserts that Owain Glyn Dŵr was neither the instigator nor, initially, the sole leader of the revolt for which he has become well known. It also challenges the idea that there was just one rebellion and casts doubt on the notion that he proclaimed himself Prince of Wales on 16 September 1400.