The Lord Lyon King of Arms, the head of Lyon Court, is the most junior of the Great Officers of State in Scotland and is the Scottish official with responsibility for regulating heraldry in that kingdom, issuing new grants of arms, and serving as the judge of the oldest Heraldic court in the world that is still in daily operation. The post was formerly held by an important nobleman, whose functions were in practice carried out by his assistant, the Lyon-Depute. The practice of appointing Lyon-Deputes, however, ceased in 1866. for more click here
