4,600-year-old grave yields genetic evidence of family life (and death)    MSNBC - November 18, 2008

Earliest Known Nuclear Family Found; Died in Massacre?   National Geographic - November 18, 2008

The oldest known burial of a nuclear family, which includes a mother, father, and two boys, has been unearthed in Germany.

Oldest nuclear family 'murdered'    BBC - November 18, 2008
The oldest genetically identifiable nuclear family met a violent death, according to analysis of remains from 4,600-year-old burials in Germany.