Siegfried I of Ballenstedt, was the son of Adalbert II of Ballenstedt, and a member of the House of Ascania. He was count palatine of the Rhineland (r.1095/7-1113), and count of Weimar-Orlamünde (r.1112-1113).
- Occupation
- religious person
- Born
- 1075
- Died
- March 9, 1113
