 Adlgasser's first marriage, in 1752, was to Maria Josepha, the daughter of his predecessor, J.E.Eberlin, at Salzburg Cathedral.Four years later he married Maria Barbara Schwab, and in 1769 the court singer Maria Anna Fesemayer (1743–82), who sang in "Die Schuldigkeit" and created the role of Ninetta in "La finta semplice".