Panchala

http://en.wikipedia.org/wiki/Panchala

Kingdom / Geni / Lineage
http://www.harekrsna.com/sun/features/05-12/features2456.htm
http://www.sacred-texts.com/hin/m01/m01095.htm
http://www.geni.com/people/DRUPADA-PRISHTA/6000000018956114429

Twins
Dhrishtadyumna and Draupadi were born to King Drupada
https://www.youtube.com/results?search_query=Drupad+Dhrishtadyumna+Draupadi