- Peniarth MS 472 [RESTRICTED ACCESS].
- Ffeil
- [17 cent.].
A genealogical chart showing the descent of Thomas ap Rys ap David ap Ithel from Idnerth Benfras and others, with heraldic shields.
A genealogical chart showing the descent of Thomas ap Rys ap David ap Ithel from Idnerth Benfras and others, with heraldic shields.