Family : According to the U.S. Census Bureau, a family consists of two or more people, one of whom is the householder, related by birth, marriage, or adoption and residing in the same housing unit
United States Department of Transportation, Federal Aviation Administration, Final Environmental Impact Statement: New York/New Jersey/Philadelphia Metropolitan Area Airspace Redesign, Chapter Seven: List of Acronyms, Abbreviations and Glossary of Terms In This EIS, Volume One: Documentation, Washington, DC, USA 2007. http://www.dirtyairport.com/dotnetnuke/LinkClick.a spx?fileticket=bnCberFBJnk%3D&tabid=56&mid=372, (Avn Sfty - Amer) {1015}