Families with a low income can receive the so-called child supplement (KiZ) in addition to child benefit. A KiZ claim can mean that your family's need for assistance can be ended. 

You can apply for the KiZ in addition to child benefit at your family benefits office. You can find all important information about the KiZ at Financial family benefits at a glance

With the "KiZ-Lotsen" of the Federal Employment Agency you can find out whether you are entitled to KiZ.