1. relationship by blood: relationship by descent from the same ancestor, and not by marriage or affinity
2. close connection: a close relationship or connection
msn.com. Encarta® World English Dictionary http://encarta.msn.com/dictionary_/consanguineous.html (accessed: September 19, 2008).
[c.1380, from L. consanguinitatem, from consanguineus "consanguineous, of the same blood," from com- "together" + sanguineus "of blood."]
etymonline.com http://www.etymonline.com/index.php?search=consanguinity&searchmode=none (accessed Sept-19-2008)
"Bob", the teacher shook his head, "I think you misunderstood the assignment. Your paper, 'A Question of Consanguinity', is interesting, but Dr. Suess's 'Are You My Mommy' is literature for early Americans not early American literature."