Rene A. Sierra, passed away March 22, 2021 at the age of 83. Beloved husband of Ella K. (nee Martinez); loving father of Daniel (Robin) Sierra, Bernice (Greg) Brown, and Wendy Ruiz; cherished grandfather of David, Daniel, Leah, Ella, Jack, Alex, and Lily; cherished great-grandpa of Everleigh and Kalani; fond brother-in-law of Armid Ruiz. Visitation Friday 8:00 a.m. until time of funeral 11:00 a.m. at Richard Modell Funeral Home & Cremation Services, 5725 S. Pulaski Road to Queen of the Universe Church, Mass 11:30 a.m. Interment St. Mary Cemetery. For info: (773) 767-4730