Joseph and Sol Gringlas, sons of Leizer and Blima were born in Ostrowiec.
Their siblings were brothers Mendel, Shlomo, Jankel and one sister, Miriam Baila. During the war, the 2 brothers worked in the steelworks factory while the others were murdered in Treblinka along with most of the town’s Jewish population in October 1942.
The were later separated and transported to a various camps, including Auschwitz-Birkenau. In 1945, the camp was liquidated. They were both forced to march in the death march but later liberated.