Av Beis Din of Ozorkov
Rav Tzvi Hirsch Zeidel was also known as Rav Hirsch Lasker, after his city of birth, Lask. He was the brother of Rav Yosef, Av Bais Din of Nashelesk and Vishigrod.
He was a gadol in Torah and avodah. His son, Rav Moshe, served as dayan and rav in Lodz.
Rav Tzvi Hirsch announced his own passing in the midst of his drasha before tekiyas shofar in 5596 (1835), then died right there before the aron kodesh.