Graf Sieghard II in Salzburggau

Sieghard II in Salzburggau was born before 0923.  Sieghard II in Salzburggau's father was Graf Seighart I of Bayern.  His paternal grandparents were Markgraf Ernst I in Nordgau and Fredeburge of Frommen.  He was an only child.  Sieghard II in Salzburggau is no longer alive.

He had two biological sons named of Salzburg and Adelbert of Salzburg.