Clark Wilson was married to Denise Wilson. At the time of his death, he was the father of Allison Miller, Lana Weeks, Rachel Weeks, Luke, Jake, Austin, Jonah, Seth, Daniel, the late John Silas, and the late Joy Wilson.  He was often featured on 19 Kids and Counting, where he assisted the Duggar and Bates families with their home construction.
In February of 2016, his bone scan came back clear with no new lesions in his arm. He finished his regular chemo and was able to move into maintenance dosage.
Clark died on Jan. 18, 2018 at age 57.