His widow , Anna Sternberg Vaucorbeil ( 1845 -- 1898 ) , had been a prominent singer at La Monnaie .
His widow , Anna Sternberg Vaucorbeil ( 1845 -- 1898 ) , briefly appeared at the Paris Opera .
His widow , Anna Sternberg Vaucorbeil ( 1845 -- 1898 ) , had been a prominent singer at La Monnaie and briefly appeared at the Paris Opera .