Chaim Ber Majdenbaum
M, b. 31 March 1867
| Father* | Szmul Majdenbaum b. c 1834 |
| Mother* | Chana Estera Piatnica b. 1840 |
Chaim Ber Majdenbaum was born on 31 March 1867 at Ostrow Mazowiecka, Ostrow, Lomza. He was the son of Szmul Majdenbaum and Chana Estera Piatnica.