N.J. Stat. Ann. § 44:4-108

A husband or father who willfully deserts or refuses or neglects to provide for and maintain his wife or children, or any of them, or a mother who willfully deserts or refuses or neglects to provide for and maintain her children, or any of them, or a child who willfully deserts or refuses or neglects to provide for and maintain his parents, or either of them, is a disorderly person, and upon being so adjudged shall be committed to the workhouse or county jail of the county or of that county composing a district in which the person resided at the time of the desertion or failure to provide for a period not exceeding sixty days in the discretion of the court.