J Clark Laundergan, age 83, died of natural causes on Friday, February 11, 2022, in Duluth, Minnesota. J is survived by his wife, Jean Laundergan, of Duluth Minnesota; his son Jeff (Jeanette) Laundergan and their sons Jacob and Jonah, of Esko, Minnesota; his son Jeremy Laundergan (Rebecca Butler) and their sons John and Michael Butler of Duluth, Minnesota; and his sisters Ann (Robert) Kauppi of Spokane, WA, and Gail Coon of Jackson MI. He is preceded in death by his mother Adele, absentee father James, and brother-in-law Russell Coon.