There are at least six artists with this name:
1) Ancestors is a five piece heavy progressive ensemble hailing from Los Angeles. http://www.ancestorsmusic.com
2) Ancestors is the raw black metal project of Mark McCoy (Charles Bronson, Das Oath, Failures).
3) A Canadian outfit from Toronto, Ontario http://www.myspace.com/ANCESTORS
4) Ancestors is R.A.C. band from Slovakia
5) Jordan Castro, Courtney Plumley along with instruments, in Ohio. http://www.myspace.com/jordanandcourtneysongs


Read more about Ancestors on Last.fm.