N.J. Stat. § 52:11-5.1
No member of the Legislature shall gainfully employ his or her relative in any position in the legislative office that the member maintains in his or her legislative district.
If members of the Legislature jointly maintain a legislative district office, no relative of the members who maintain that joint office shall be gainfully employed in any position in that office.
As used in this section, "relative" means the member's spouse or the member's or spouse's parent, child, brother, sister, aunt, uncle, niece, nephew, grandparent, grandchild, father-in-law, mother-in-law, son-in-law, daughter-in-law, stepparent, stepchild, stepbrother, stepsister, half brother or half sister, whether the individual is related to the member or the member's spouse by blood, marriage or adoption.
N.J.S. § 52:11-5.1