Gábor was born on July 16th, 1947. Gábor's father was Károly Körtvélyesi and his mother was Terézia Kovács. His paternal grandparents were Kálmán Körtvélyesi and Rozália Karácsony. He had a brother named Károly. He was the younger of the two children. He died at the age of 59 on May 1st, 2007.