A man threatened to stab his former girlfriend and any man who went near her, a court was told.
Thomas Jones sent his ex-girlfriend numerous texts and told her she would wake up to a dead body on the doorstep at her Blackpool home.
Jones, a 23-year-old window cleaner, of North Avenue, Farnworth, Bolton, pleaded guilty to harassing his former partner before magistrates.
He was bailed to July 24 for pre-sentence reports by Blackpool Magistrates’ Court.
He must not enter Blackpool except for court and appointments with his lawyer and not contact his ex as conditions of his bail.
Adrian Hollamby, prosecuting, said Jones returned his daughter and her son to his ex-girlfriend after having the children to stay overnight with him on July 8.
Later he went into her bedroom and quizzed her on what she had been doing and if she had been seeing anyone.
He then saw a photograph of a man she had once been out for a drink with, the court was told.
He the told his ex-girlfriend: “I’m going to stab him. I’ll stab anyone who goes near you and then I’ll stab you.”
He left but bombarded her with texts.
She texted back: “I’m sick of being scared of you,” the court heard.
Leisa Splaine, defending, said the couple had been in a relationship for three years.
Ms Splaine added: “That relationship is over and that is something that has been difficult for him.”