Proper noun
Reisinger (plural Reisingers)
A surname.
Tchaikovsky's work with Julius Reisinger on Swan Lake was evidently also successful, since it left him with no qualms about working with Petipa, but very little is written about it (Maes, 146). Source: Internet
His second was Anna Reisinger, 20 years his junior and daughter of the concierge of the apartment where he grew up. Source: Internet