The Denver branch of the Bancroft family, Dow Jones & Co.'s controlling shareholder, is to vote against accepting News Corp.'s $60-a-share offer, putting pressure on News Corp. to raise its offer, according to a person familiar with the situation. The Denver trust, which holds 9.1% of Dow Jones's voting stock, is seen as an important faction within the Bancroft family. The trust is seen as a seller but had been pushing for a higher price....[snip] The Denver trust has argued that the super-voting B class shareholders should receive a premium of 10-20% over the $60 offer. In their view, News...