Incest Survivor Whose Dad Impregnated Her at 13 Says He 'Ruined My Life Completely' 40 Years On

Allison Siddall has described how being raped by her father at 13 affected her for more than four decades. Her account follows Clive Siddall's 12-year sentence at Guildford Crown Court on 14 July 2026.

Surrey Police said Siddall committed sexual offences against two girls known to him during the early 1980s. A jury at Kingston Crown Court convicted him of all six offences after a trial in March 2026.

Allison, now 60, said the rape affected her mental health, relationships and education for decades. 'He did the unthinkable, and he ruined my life completely,' she said after the sentencing.

Allison Siddall Describes the Lasting Impact of the Rape

Allison said she went to live with her father in Walton-on-Thames, Surrey, when she was 13. She recalled that the first few months appeared normal before she was left alone at the house one day.

She said Siddall returned in an angry mood, pinned her down and covered her mouth before raping her. 'Even to this day I still remember it like it was yesterday,' she said.

Allison said she went to school the next morning without fully understanding what had happened. Several weeks later, she fainted at school and was taken to a doctor.

She said the doctor told her she was pregnant. Allison recalled running from the consultation before Siddall demanded that she have an abortion.

'I didn't even know what that was,' she said.

After the abortion, Allison said she disclosed the rape but was not believed. She said the experience disrupted her education and left her struggling to trust other people.

Allison said she developed anorexia and relied on alcohol to suppress nightmares and traumatic memories. She has also spoken about attempts on her own life.

'When I had my first glass of wine, I found that it numbed the pain,' she said. 'It was a blackout to make me forget and not have the nightmares.'

Surrey Police said both survivors described mental health struggles and difficulties maintaining relationships as they grew older. Police also said both women carried guilt into adulthood over fears that Siddall had harmed others.

Allison Siddall's 2022 Disclosure Led to the Investigation

The investigation began after one of Siddall's victims disclosed the abuse to a medical professional in 2022. Surrey Police said the professional then made the initial report to officers.

Allison said she was the survivor who made that disclosure while seeking help for alcohol dependency. Police later interviewed Siddall about the allegations.

According to Surrey Police, Siddall replied 'not true' and 'no way' when officers put the allegations to him. He was charged in April 2024 with six offences involving two girls.

The charges comprised one count of rape and five counts of indecent assault. One indecent assault count involved a girl under 16, while four involved a girl under 14.

A jury at Kingston Crown Court found Siddall guilty of all six offences after a trial in March 2026. He was sentenced at Guildford Crown Court on 14 July.

The 12-year sentence included 10 years for rape and two years for indecent assault, with those terms running consecutively. Four further indecent assault sentences, totalling three years and three months, run concurrently.

Investigating officer DC Fiona Clare said Siddall had occupied a position of trust in his victims' lives and had 'exploited this in the worst possible way.'

Clare said the sentence could not return the years the survivors had lost to trauma. She said she hoped the outcome would nevertheless bring them some relief.

Allison said the conviction had not erased the effects of what happened. 'It is still haunting me now,' she said after Siddall was jailed.

She also said she wished she had been able to speak out sooner. Surrey Police said both survivors carried similar feelings about not preventing possible further abuse.

'I wish I had done this years ago,' Allison said. 'Back then nobody listened or really cared.'

She added, 'I feel a tremendous amount of guilt because if I was stronger back then I could have pushed someone to help.'