Tovard Hanso was the owner of the Black Rock ledger, the journal of the first mate of the Black Rock sailing vessel. Hanso sold the ledger at a Southfield's auction to Charles Widmore for £380,000 in 1996. Prior to the sale, only members of Hanso's family were privy to the contents of the ledger. ("The Constant")
Tovard is a relative of both Magnus Hanso, the owner of the Black Rock, and Alvar Hanso, CEO of the Hanso Group and founder of the Hanso Foundation. ("The Constant-Enhanced")
The name Tovard Hanso was first revealed during an auction for a Black Rock artifact ("The Constant-Enhanced")