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In all the world, Chatelaine (Chatelaine , Châtelaine, Castellanus ) is a very rare feminine first name. The given name Chatelaine is habitual in South-eastern Asia, particularly Philippines, where it is a very rare girly name. Also, Chatelaine is the last name as well as the forename.
Chatelaine is also a name for the fictitious and mythical characters: Chatelaine , the operatic character in the opera Jungfrun i tornet by Jean Sibelius.