People with the last name Nicholai in Washington
- Carmelita Nicholai
- Diana Nicholai
- Edwin Nicholai
- Elena Nicholai
- Harold Nicholai
- Jeremiah Nicholai
- Johanna Nicholai
- Josephine Nicholai
- L Nicholai
- Lida Lu Nicholai
- Marjorie Nicholai
- Nick Nicholai
- Richard Nicholai
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