Jackson "Jack" Ross Grubbs, born in Burbank, CA. December 2, 1945, died at home August 3, 2015. Son of Albert Harry "Bill" Grubbs and Rosa Kersen Grubbs, he was welcomed by brothers William Harry and Herman Lee. The family returned to Billings where Jack attended Billings' schools playing football and basketball. Blessed by two sons, Duane Scott by wife Vicky Pittman Grubbs Waggoner, there are three grandchildren by Scott and Stacy Grubbs; Erett, Ethan, and Kaitlyn. Son Tom Ross is by 2nd wife, the late Lynda Harrod Cody Grubbs. Jack was loved by in-numerable nieces and nephews who knew him as "Uncle Shack". His adult life was as a laborer, enjoying fishing, the Sooners, and being Family King of the practical jokes. Visitation is Friday August 7th Dugger Funeral Home in Billings, Noon to 8 pm. Graveside services at Billings Union Cemetery Saturday 11 a.m.