Siebo Ehlko John Friesenborg, born on August 23, 1941, in Wildwood, NJ, passed away on June 29, 2024, in Tucson, AZ. A dedicated Systems Analyst at IBM, Siebo was known for his passion for airplanes and spent countless hours at the National Air and Space Museum and Pima Air Museum. His love for clamming and crabbing often took him to the shores, where he relished the thrill of the catch.

Siebo enjoyed the simple pleasures in life, including a good game of Boggle, working on puzzles, and savoring a Belgian beer. He was an avid fan of basketball and football, finding joy in cheering for his favorite teams. His sense of humor was evident in his favorite TV shows, M.A.S.H. and Cheers, which brought him many moments of laughter.

Siebo is survived by his devoted wife, Doranne, and their three children: Anita (Tommy), Chris (Erin), and Derek (Paula). His loved ones will remember him for his vibrant spirit and his love for having a good time. Siebo leaves behind cherished memories that will continue to bring smiles and warmth to those who knew him.