N.J. Stat. § 5:12-20: "Family."

20. "Family" - Spouse, domestic partner, partner in a civil union, parents, grandparents, children, grandchildren, siblings, uncles, aunts, nephews, nieces, fathers-in-law, mothers-in-law, daughters-in-law, sons-in-law, brothers-in-law and sisters-in-law, whether by the whole or half blood, by marriage, adoption or natural relationship.

L.1977, c.110, s.20; amended 2011, c.19, s.13.