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.