Luis Fernando Marquez, 60 of Sioux City, Iowa passed away on Tuesday, April 21, 2026 while in Laredo, Texas.  A Mass of Christian Burial will be at 10:00 a.m. Monday, May 4, 2026 at the Cathedral of the Epiphany Catholic Church in Sioux City with Father David Esquiliano as Celebrant.  Abiding by family wishes, cremation will follow and entombment of the cremains will be at later date.  Visitation, with the family present, will be on Sunday, May 3, 2026 at Meyer Brothers Colonial Chapel from 4:00 p.m. until 8:00 p.m.