"Johann Gottfried Freiherr von Guttenberg (6 November 1645 – 14 December 1698) was the Prince-Bishop of Würzburg from 1684 until his death.
The House of Guttenberg was ...
a prominent Franconian noble family, named after Guttenberg Castle. Johann Gottfried was born at Marloffstein Castle.
In the Nine Years´ War, the Prince-Bishop allied with the Emperor (Leopold I) and provided him with troops. He died in Würzburg, aged 53." - (en.wikipedia.org 31.01.2020)
