John ap Edward ap David of Brynkynallt, co. Denbigh
- Marriage (1): Agnes Cambre of Poole
Another name for John was John Trevor of Brynkynallt, co. Denbigh.
Source: A Genealogical and Heraldic Dictionary of the Landed Gentry of Great Britain & Ireland" by John Burke & John Bernard Burke, vol. I (London, 1847), p. 506 has "JOHN AP DAVID, who assumed the name of TREVOR, acquired the estate of Brynkynallt, in the county of Denbigh. He m. Agnes, dau. and heir of Peter Cambre, of Poole, and had issue,..."
John married Agnes Cambre of Poole.