A delivery driver who struck up a relationship with a customer hid from her that he was a convicted rapist.
Andrew Ronald Hodgson used the woman's telephone number to text her, and the pair soon became involved.
But Hodgson, 53, began to ask her to have sex with other men, and she refused.
When she challenged him about whether he had any convictions in his past, he denied it.
He claimed he was using the alias of Mark because he'd been married before and wanted to make a fresh start.
But Hodgson had been jailed in 2000 for rape, and was using the alias 'Mark Humphries' to hide his past.
At Caernarfon crown court today, Hodgson, who gave the court an address in Llandudno Junction, admitted breaching an order he'd been subject to since he was convicted.
As a convicted sex offender, he had to inform police of any changes of address he'd had.
While he'd done that, he had not told them about the alias he was using.
He was jailed today for 30 months.
Prosecutor Sarah Badrawy said in January last year Hodsgon was working as a delivery driver and visited the woman's home with a parcel.
He had the woman's telephone number as part of the delivery note and later sent her a text.
This was from 'Andy' but later sent another message from 'Mark'.
Confused the woman asked who the messages were from and Hodgson said his name was Mark and Andy was his friend, the lawyer said.
The text messages became flirtatious and a relationship began and in June last year Hodsgon moved into the woman's home.
The court heard during the relationship Hodsgon had asked the woman to have sex with other men but she had refused.
He had denied having any previous convictions when asked by the woman and said he was using the alias because he was married and wanted to make a fresh start.
"He told the police of the change of address but not the alias he was using. The matters came to light when social workers and officers began to check the address," added Ms Badrawy.
She said Hodgson had been handed a seven year and nine month prison sentence for rape offence in July 2000.
He had breached the Sexual Offences Prevention Order (SOPO) imposed at the same time twice in 2008.
The court heard he had tried to contact women on dating websites. There had been no breach of the order since then.
Defence counsel Andrew Green said the case was unusual in that there had been a long period of compliance but accepted the court would be concerned by Hodgson's attitude.
"There are some worrying aspects but no harm occurred and he is not charged with any sexual offences," he added.
Mr Green accepted the offence crossed the custody threshold but urged the court to draw back and adopt the package of measures suggested by the pre-sentence report.
Judge Nicola Jones told Hodgson she was concerned a pre-sentence report suggested he had shown no remorse and had tried to minimise the offence.
"You tried to paint yourself as the victim but I am satisfied you acted in a predatory manner.
"This is so serious only an immediate custodial sentence is appropriate. The aggravating features outweigh the mitigation by some distance," she said.
