@bwnbwn - I picked 2 up at auction and 1 fresh registration. They were added over the course of a few months.
@RobertCharlton - Not interlinked at all, no common inbound sources. All 3 are hosted at separate hosting companies on dedicated IPs. I've checked, the IPs are not blacklisted.
@Hope_Fowl - When I said brandname I meant my 'OWN' brand, so if the url is dresden87.com then the branded anchor would be Dresden87 or Dresden87.com