Baruch = "blessed"

 1) friend, amanuensis, and faithful attendant of Jeremiah
 2) a priest, the son of Zabbai who assisted Nehemiah in rebuilding
    the walls of Jerusalem
 3) a priest, or family of priests, who signed the covenant with Nehemiah
 4) son of Col-hozeh, a descendant of Perez or Pharez, the son of Judah