Hanna and Natan Singer lived in Ostrowiec and had  7 children:

4 daughters: Rose, Frimmet, Shaindl, Toby and Faiga (also known as Fay), and two sons: Moishe and Yehuda.

Please read Rose's Holocaust history  here  

Rena Godfrey's story on her family trip to Ostrowiec can be read here.