Date of Birth: 
About Wilhelmina Gelhaar
- Wilhelmina Charlotta Gelhaar (1837–1923) was a Swedish operatic soprano who performed at the Royal Theatre in Stockholm from 1857 to 1866.
- She also gave concert performances.
- Thanks to her coloratura soprano roles, her good looks, her pleasant disposition and her competence as an actress, she was one of the most popular singers of her day.
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