His eldest brother, Pinchos Dovid Horowitz, is the Bostoner-Chuster rabbi of Borough Park, Brooklyn, and his other brother Mayer Alter Horowitz is the Bostoner rebbe of Har Nof, Jerusalem.
His eldest brother, Pinchos Dovid Horowitz, is the rabbi of Borough Park, Brooklyn, and his other brother Mayer Alter Horowitz is the rebbe of Har Nof, Jerusalem.