Bethany, 32, was accused of 'betraying' her family when she pledged her allegiance to her brother, having attended Holly Ramsay's hen do and their wedding at Bath Abbey.
Less than 24 hours after Daniel Boulton set out on his murderous mission, two people were dead - Bethany and her nine-year-old son Darren Henson, known as DJ.
Bethany Dent-Reynolds relationship with killer Kieran Robinson started when he contacted her on social media she then travelled to visit him at HMP Lowdham Grange on several occasions.
The Olympic swimmer's older sister is the only member of his side who appears to have survived the bitter family fallout after his mother Caroline was uninvited from the ceremony.
Dressed in a fiery red custom gown from Victoria Beckham, Bethany Peaty made a strong statement about where her loyalties lie outside Bath Abbey on Saturday afternoon.
Bethany Dent-Reynolds, 27, has admitted having an illicit relationship with convict Kieran Robinson while working at HMP Belmarsh in Woolwich, southeast London .