Added to Roster
Sonja has been added to the Northfield 2025 volleyball roster.Sonja has been added to the Northfield 2025 volleyball roster.Apps
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Sonja Willius
- Sonja has been added to the Northfield 2025 volleyball roster.
Added to Roster
Sonja has been added to the Northfield 2024 volleyball roster.
Sonja Willius's Bio
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Northfield High School 
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