Yitschak and Sheindel Gitel Rosenberg and family
Reb Yitschak daughter of Bracha and son of Dov Magid -a descendant of Dov Ber ben Avraham of Mezeritch , also known as the Maggid of Mezeritch/
Reb Yitschak married Sheindel Gitel daughter of Arie (Leib) Dov Glickstein . The family lived on Sienkiewicza 20 in Ostrowiec.
Their children who died in Holocaust were:
Rabbi Moshe Gershon , Rosh Yeshiva of Ozarow and Sandomierz (Zosmir)
Avraham Yaacov - he was 14 years old when sent to Treblinka
Yitschak was murdered by the Nazis on the street while returning from visiting a mourning house . His wife and 3 of their 5 sons were sent to their death in Treblinka.
The 2 surviving sons were Yechiel Rosenberg who moved to Brazil and Efraim Rosenberg [who was considered the Magid of OStrowiec] who moved to Israel.
Yechiel (Chil) Magid Rosenberg was very involved in writing about Ostrowiec and had 7 articles written in the Ostrowiec Yizkor book of 1971 in the following pages: 141, 165, 170, 218, 220, 322, 326 . He passed away in 1970 , in his early 50's.