Second highest title in the Amtgard Order of Precedence, lower than Grand Duke but higher than Duke. Generally awarded for multiple terms in Kingdom level office, requiring at least one term as Monarch. The proper form of address is "Your Grace", or "His Grace (Name), Archduke of (Estate)". If applicable, "Sir" may be added after "Grace". It is also appropriate to refer to nobles by just their title and estate.
Ertzhertzog (airts-hairts-zoge) - German/Austrian