Mark Groendyck (copy)

Republican Mark Groenendyk speaks during a candidate forum for the Mahaska County Supervisors race on Sept. 23.

OSKALOOSA — Court filings indicate the chairman of the Mahaska County Board of Supervisors will plea guilty to an assault charge in a domestic abuse case involving his son.

In a filing Monday, Mark Allen Groenendyk, 54, of Oskaloosa, entered a guilty plea to a simple misdemeanor charge of assault. He was originally charged with domestic abuse assault, a serious misdemeanor, on Feb. 6 after police said he assaulted his son.

The filing indicates Groenendyk has reached a plea deal with special prosecutor Chauncey Moulding, of Jefferson County. If adopted, the deal would allow Groenendyk a deferred judgment on the charge and serve one year of probation. He would also be required to complete an assaultive behavior class.

The violation of a no contact order Groenendyk received last month would also be dismissed as part of the deal.

In court filings, a Mahaska County Sheriff’s Office deputy said Groenendyk grabbed one of his sons, slammed him against the wall and punched him in the chest. A no contact order was issued in that case.

A sentencing hearing has been set for 10 a.m. on May 3.

Kyle Ocker is the editor of the Oskaloosa Herald and the Ottumwa Courier. He can be reached at Follow him on Twitter @Kyle_Ocker.

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Kyle Ocker is a Centerville native and award-winning multimedia journalist. Kyle is currently the president of the Iowa Freedom of Information Council and vice president of the Iowa Print Sports Writers Association.

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