Anton Joseph Zumbrunnen was the son of Anton Zumbrunnen and Maria Elizabetha von Beroldingen.
Nothing is known about his life including whether he married or had children, where he lived or when he died, although according to the historian Girard, he did not marry.
Name: Anton Joseph Zumbrunnen
Father: Anton Zumbrunnen
Mother: Maria Elisabetha von Beroldingen
Siblings: Franz Florian Zumbrunnen, Heinrich Burkhard Zumbrunnen, Maria Magdalena Zumbrunnen, Ana Margareta Zumbrunnen
Anton Joseph is mentioned in his father Anton Zumbrunnen’s entry in the Nobiliaire Militaire Suisse
Anton is included in Bucelin’s genealogy of the Zumbrunnen family from the 1600s. (He is the third person in the bottom line; his name is written in Latin as “Antonius Josephus zum Brunnen”)