Yitzhak Ben-Eliahu was born on the 26th of May, 1929.
He joined Lehi on April 1st, 1946, as a fighter in Jerusalem under Ezra Yachin. He was held in custody in Latrun from June 1946 to May-June 1948. He received the Lehi badge and the State Warriors badge.
Yitzhak died on the 2nd of October 2, 2009.