Mrs W-B says on the family beach trip after the Sunday lunch, R and C appeared reconciled.
Mrs W-B says C had depression. C decided not to take anti-depressants, and wanted any reference to depression removed from medical notes.
The family of Catherine Wells-Burr has written to the Prime Minister after hearing her killers could end up serving a shorter sentence.
The parents of Catherine Wells-Burr have described how they comforted her alleged killer - as her burned corpse lay in a nearby field.