L'ebreo (The Hebrew) is an 1855 opera by Giuseppe Apolloni to a libretto by Antonio Boni adapted from Edward Bulwer-Lytton's novella Leila; or, The Siege of Granada of 1838.
[1] The setting is the siege of Granada in the last years of the reconquest of Spain by Ferdinand of Aragon and Isabella I of Castile.
Issachar, the titular Hebrew, is the magician of muslim King Boabdil, whom he betrays hoping to obtain freedom under the Spanish for his people.
His daughter, Leila is in love with his enemy, the general Adèl-Muza.
At her baptism of the girl her father appears and stabs her, as she dies Adèl-Muza then reveals himself.