Gregory Mertz Jr.44 Sioux Falls, SD (originally from Dell Rapids, SD) June 30, 2025 Gregory J. Mertz Jr., 44, of Sioux Falls, SD, passed away on Monday, June 30, 2025. A Memorial Visitation with the family present was from 5-7 p.m. on Tuesday, July 8, at Kahler-Brende Funeral Home with a Prayer Service starting at…