At age 12, he became Duke of Königsblau after his older brother refused to carry on with the title he inherited from his grand-mother Duchess Elsa of Königsblau after her passing away on 1994.
He became Duke of Königsblau after his older brother. This was at age 12. This older brother was refused to carry on with the title-mother Duchess Elsa of Königsblau after her passing away on 1994. He inherited the title from his grand.