The black saltire ( X-shaped cross ) comes from a village court seal from 1654 .
The black saltire ( X-shaped cross ) refers to the hegemony once exercised by the Teutonic Knights ( although their coat of arms showed an upright cross ) .
The black saltire ( X-shaped cross ) comes from a village court seal from 1654 and refers to the hegemony once exercised by the Teutonic Knights ( although their coat of arms showed an upright cross ) .