New Jersey Statutes Appendix - Former Title 3A Administration of Estates Decedents and Others 3A § 20-6

When it shall be made to appear to the Superior Court or County Court, upon the application of any person acting in behalf of or in the interest of a minor or mental incompetent, that the personal estate and the income of the real estate of such minor or mental incompetent is not sufficient for his proper support and education or that of his spouse, household, family or children, the court may direct the guardian of the minor or mental incompetent, or a fiduciary holding real estate under a will, deed or other instrument in trust for any such person, to borrow money upon security of the real estate in this State, or any part thereof or interest therein, belonging to the minor or mental incompetent or held in trust.