Gwladys verch Llywarch
- Marriage (1): Owain I Gwynedd Prince of North Wales
Another name for Gwladys was Gladys verch Llywarch ap Trahaearn.
Source: Ancestral Roots of Certain American Colonists Who Came to America before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr, ed. by William R. Beall & Kaleen E. Beall, Baltimore, 2008, Line 176B-25
Gwladys married Owain I Gwynedd Prince of North Wales, son of Gruffydd ap Cynan Prince of North Wales (Gwynedd) and Angharad verch Owain ap Edwin of Tegeingl. (Owain I Gwynedd Prince of North Wales was born about 1100, died on 28 Nov 1170 and was buried in Bangor Cathedral, Bangor, Gwynedd, Wales.)