Background
William Augustus was a son of Duke Otto II of Brunswick-Harburg (1528-1603) from his second marriage with Hedwig (1535-1616 ), the daughter of the Count Enno II of East Frisia.
William Augustus was a son of Duke Otto II of Brunswick-Harburg (1528-1603) from his second marriage with Hedwig (1535-1616 ), the daughter of the Count Enno II of East Frisia.
In 1575, he became rector of the University of Rostock. He later continued his studies continued at the University of Leipzig. In 1594, he again went on a journey that took him through Germany, Poland, Switzerland, Italy, Holland, Denmark and Livonia.
William Augustus kept a journal about his travels.
After they died, he ruled alone. In 1618, William Augustus began the construction of the palace at Moisburg.
After the death of the Duke Frederick Ulrich of Brunswick-Wolfenbüttel, he received the County of Hoya from his inheritance. August Wilhelm died unmarried and childless.
His inheritance was divided by Dukes of Frederick IV of Brunswick-Celle and Augustus II of Brunswick-Wolfenbüttel.