Normally, the name and address (or part of the address) of the person or organisation who sent the response are published with the response.
Fel arfer, mater i ni fydd sefydlu bod unigolyn wedi gwneud, neu wedi achosi/ caniatáu’n fwriadol i'r gwarediad gael ei wneud Neu i'r person hwnnw roi gwybod i ni, eu bod wedi gwneud hynny.