He was a mercenary captain. He is possibly the same Sebastian who married Salome Rizard and had a son named Sebastian Peregrin Zumbrunnen, although this is uncertain.
Name: Sebastian Zumbrunnen
Father: Josue Zumbrunnen IV
Mother: Ana Margarita Zumbrunnen
Siblings: Burkhard Zumbrunnen, Maria Elisabetha Zumbrunnen, Anton Joseph Zumbrunnen, Apollonia Zumbrunnen, Heinrich Burkhard Zumbrunnen, Franz Florian Zumbrunnen, Maria Ana Katherine Zumbrunnen, Maria Barbara Zumbrunnen
Franz Zumbrunnen, Heinrich Burkhard Zumbrunnen
Spouse: Possibly Salome Rizard