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

The superior court or the county court, to which the guardian of a resident or nonresident mental incompetent is accountable, may direct the amount the guardian may expend yearly for the support and maintenance of the mental incompetent, his household, family, spouse, child or children, out of the principal of his personal estate and the proceeds received on the sale of his real estate, and the income of his real and personal estate, or direct the payment of his debts or those of such family, or otherwise direct the guardian in relation to the care and management of the mental incompetent or his estate, and in relation to the support of the mental incompetent, his household, family, spouse, child or children. Such principal and proceeds may be used only where his income is insufficient and he has no sufficient means of providing for himself or of being provided for otherwise.