One of the leaders of the now-defunct Traditionalist Workers Party will spend more than a month in jail after an attack on his wife that violated his probation for another violent incident that took place at a Donald Trump rally in 2016.

Louisville, Kentucky’s WDRB reported Tuesday that white nationalist Matthew Heimbach will serve 38 days in jail after he attacked his wife in front of their two small children over a bizarre love triangle with the TWP’s other co-founder.

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The TWP dissolved after a March incident in which Heimbach attacked his own wife after Matt Parrott, the group’s co-founder (who was also his son-in-law), found out he’d been having an affair with his wife. Parrot’s wife is the mother of Heimbach’s wife, and when their affair was discovered, the soon-to-be-jailed white nationalist attacked his co-founder.

“Parrott’s wife and stepdaughter lured Heimbach to a setup at their Paoli trailer to see if he would agree to continue the affair,” Raw Story reported in March, “and Parrott and the stepdaughter waited outside and watched through a window.”

“Heimbach and Parrott then confronted each other, and the cuckolded husband said the other man wrestled him to the ground,” the report noted. After Parrott left, Heimbach then attacked his wife in an incident she reportedly recorded.

Heimbach had already spent 90 days in jail and was on two years of probation for the 2016 attack of a black woman at a Trump rally in Kentucky. According to WDRB, the white nationalist’s sentence was reduced in exchange for him not serving it in home incarceration.