Sorry for any confusion, it is Edwin who was born in Forden, and Forden is actually in Montgomeryshire, but ancestry have mistranscribed this as Monmouthshire - the details that I gave were the ones that would enable you to find him on Ancestry.
This is a transcription of the original image:
RG13/5255 Folio 8 Page 5 Schedule 26
Minffordd Penmaenpool
Edwin Jones, Head Married, 34 Railway Gang Lab Workman, Montgomeryshire, Forden, English
Diana Jones, Wife, 22, Merioneth, Dolgelley, Both
J Thomas Jones Son 1 Merioneth, Dolgelley
Price Jones nephew 4 Montgomeryshire, Forden, English
Two doors down from Edwin and Diana, on the same census page there is a William Watkins, a coachman at Penmaen Hall -would you like the details of him and his family too?
Here are William and Annie' details:
RG13/5258 Folio 65 Page 49 Schedule 311 W (the W notes that the details were translated from Welsh by the enumerator)
William Lloyd Border Married 28 Railway Signalman Worker, Denbighshire Ruabon Both
Annie Lloyd Border's wife Married 25 Merioneth Dolgelley both
Thomas F Lloyd Border's Son 4 Merioneth Dolgelley both.
I haven't seen Thomas and Anne Watkins' grave stone the details are taken from a cemetery transcription project publication, so the discrepancies might have been caused by a transcription error or a worn stone. Watkins is such an uncommon name in the area it is highly unlikely that this is the grave a different Thomas and Anne Watkins (Although the transcription has Thomas M Watkins, the index has him as Thomas B Watkins).
I don't have a burial record for Thomas Jr sorry.