The burial in Llanfor of Cadwaladr on 23 September 1862, gives his abode as Bwlchgarredog?, Llandderfel.
I noticed that a Cadwaladr Robert, born 1778, was living at, Bwlchgarredog?, Llandderfel, in 1861 with his wife Jannet, born 1776. They were with their son-in-law and daughter. His abode is transcribed as Tynfedw, which was the next house:
https://www.familysearch.org/ark:/61903/1:1:M7K6-GPWA Janett Robert, born 1776, was buried in Llanfor on 2nd November, 1861, abode Caerau.
There was a Cadwaldr Cadwaladr baptised in Llanfor on 6th November 1785, son of Robert and Jane. He might have been known as Cadwaladr Robert(s).
David