A Davenport man was sentenced to 15 years in prison and will have to register as a sex offender after convictions for child molestation and robbery, according to court records updated this week.

Bobby Dean Matejcek, 24, 1995 W. 40th St., Apartment 419, was one of five people who were accused last year of luring a man to a bike path where they beat and robbed him. The four adult suspects pleaded guilty to conspiracy charges. A juvenile’s case is pending.

Matejcek also pleaded guilty to an unrelated count of third-degree sex abuse. Records state that when he was 23, he had a sexual relationship with a 15-year-old female runaway from October 2011 to January 2012.

The victim also conceived Matejcek's child, records state.

Three of the others convicted in the robbery conspiracy also lived with Matejcek in his apartment. They are Ashley Marie Cummings, 19, Kelly Elizabeth Hobert, 20, and Timothy Michael McGauley Jr., 25.

Also charged in the conspiracy is Tyler Overmann, 16, who is listed at a different address in Davenport. His case was transferred to juvenile court in January.

The conspiracy charge is a Class C felony that would be punishable by up to 10 years in prison. Instead, Magistrate Mark Lawson deferred Cummings’ sentence and placed her on three years of probation.

Hobert and McGauley also were sentenced to three years of probation.

They were arrested Nov. 7 related to the incident that occurred Sept. 17. Court records state that at 1:24 p.m., a female called the victim and asked him to meet her at Northwest Park, 3400 N. Division St. She then sent text messages to the others about the victim's arrival at the park.

According to arrest affidavits, both of the women charged walked the victim to the bike path, where the three males of the group confronted him. One of the men threatened to shoot the victim and ordered him to the ground, where he was kicked, beaten and struck with a large stick.

The man's backpack, which contained $50 as well as clothing, a cellphone, a sketchbook and other items, was taken, the affidavits state. The man was told to remain on the ground or he would be shot.