William ap Thomas in The Peerage
| Publication information | Publication Date: 11 JAN 2016 Media: Website / URL |
Narrative
http://www.thepeerage.com/p19580.htm#i195793
Darryl Lundy, The Peerage, a genealogical survey of teh Peerage of Britian as well as the royal families of Europe (http://thepeerage.com : accessed 5 Feb 2019), William ap Thomas. Cit. Date: 31 Jan 2019.