That henceforward he would treat all such talk as treason, a hanging offense.
Avi, Crispin: The Cross of Lead(2002)
It continued: "..... and henceforward to make her portraits systematically out of focus".
BBC(Nov 25, 2015)
Henceforward, the genre could function only behind a scrim of irony or revisionism.
Washington Post(Jun 11, 2014)