Mario Zertuche of Del Rio, Texas, entered into rest, on September 6, 2021, at the age of 84. Mario was born and raised in Del Rio, TX. He was the oldest of three children born to Jose and Esperanza (Aldrete) Zertuche. He grew up in Del Rio, graduating from San Felipe High School. Mario joined the Army then attended Texas A&M University before transferring and graduating from Sul Ross University. He worked at his family business alongside his father at the Union Slaughter House in Del Rio. He also served as a Border Patrol Agent in Laredo, TX before transferring to the Immigration & Naturalization Agency at the Del Rio port of entry. Mario married his beloved bride, Diana Sotelo on June 7, 1964 in Del Rio. During their life together, they had 3 daughters, Kathy, JoAnn, and Tammy. After retiring from the Federal Government, he continued working alongside his wife in the business they created and built together, Zertuche Insurance Agency. He enjoyed taking care of his wife and family; always making sure their needs were addressed before his own. He could often be seen around town enjoying coffee and meals with friends at many local establishments. It was one of his many pleasures. Mario was preceded in death by his wife, Diana (Sotelo) Zertuche, parents Jose and Esperanza (Aldrete) Zertuche, sister Norma Zertuche, and brother Oscar Zertuche. He is survived by his three daughters and their families: Kathy Raabe & her husband Len of Del Rio; JoAnn Van De Walle & her husband Steven of San Angelo; Tammy Hyslop & her husband Edwin of Del Rio; his grandchildren Riley Pratt, Kayla Pratt, Audrey Raabe, Amber Raabe, Jacob Van De Walle, Hope Van De Walle, Mark Van De Walle, James Edwin Hyslop, Beck Hyslop, and Alexa Hyslop; great-grandchild James Edwin Hyslop Jr., and many nieces, nephews, & cousins. Visitation will be held on from 4:00 pm – 7:00 pm with a Rosary at 5:30 pm on Friday, September 10, 2021, at Sunset Memorial Oaks Funeral Home, 2020 N. Bedell Ave., Del Rio, TX. Mass of Christian Burial will be at 10:00 am on Saturday, September 11, 2021, at Sacred Heart Catholic Church, 307 E. Losoya St., Del Rio, TX. Graveside Mausoleum Service will immediately follow in procession to Sunset Memorial Oaks Cemetery, US-90 W Del Rio, TX.