The Lord Rees had issue Griffith and Rees the Hoarse.

[137] This table contains the following genealogy:

Bleddyn ap Cynvyn had issue Meredith, Cadwgan and Iorwerth.

Cadwgan had issue Owen of Powys.

Meredith had issue Madoc and Owen Cyveiliog.

Owen Cyveiliog had issue Griffith who had issue Gwenwynwyn.

Madoc had issue Griffith Maelor who had issue Madoc who had issue Griffith of Bromfield.

Griffith of Bromfield had issue Madoc and Griffith Vychan.

Griffith Vychan had issue Madoc who had issue Griffith who had issue Griffith Vychan who had issue Owen Glendower.

[138] This table contains the following genealogy: