"Jeanie Kustok was a saint. She lived her life for everyone else, for her family and for God. It was a life we all should emulate. A true parent elevates the interests and welfare of their children above everything else, including until the end," Kustok family attorney Pete Rush said.
"The Kustok children know and believe that their parents were true parents. The Kustok children know that their father could not have committed the act that the state has accused him of," he said.
Sarah and Zak Kustok held hands and hugged as gruesome details of their mother's death were recounted in court Friday. Other than the family lawyer's statement, they had no comment.
Police said there were no orders of protection for the Kustoks and officers had not previously been called to their home.
Other than a 27-year-old aggravated battery charge during college, Allan Kustok's record is clean. Sources told the Southtown Star he had been having an affair.
"We are continuing to investigate all of the circumstances surrounding the domestic relations of the defendant and his late wife," Troy said.
ABC Chicago station WLS-TV contributed to this report.