"Anthony Blackburn a John Hancock oedd y cyntaf yno pan oedd
Mr Humphries wedi disgyn ar y llain sboncen ar ôl cael trawiad ar y galon."
". Anthony Blackburn and John Hancock were first on scene when
Mr Humphries collapsed on the squash court with a heart attack."
"Gall achosi cwymp (collapse) sydyn a
marwolaeth gyflym"
"He would probably have said that he did not administer all 10mg but had paused to observe its effect, which was satisfactory, for a few moments until Mrs Overton had suddenly collapsed."
"Byddai siŵr o fod wedi dweud na roddodd y cyfan o’r 10mg iddi, ond ei fod wedi oedi i weld ei effaith, a oedd yn foddhaol, am rai eiliadau nes i Mrs Overton lewygu’n sydyn."