Yitzhak Opner, son of Yossef, was born in Stanstedov, Poland, in 1914. He made Aliya in 1945 as a Holocaust survivor.

He joined the Lehi in 1946 together with his wife Chaya, nee Katz.

He received the Lehi badge.

Yitzhak died on Sunday, July 28, 1995. His wife Chaya died on June 20, 2007. They are both buried in the Holon cemetery.