While in Russia he married one of his most famous students, Anna Essipova, the second of his four wives, with whom he had two children; one of them was his daughter, the well-known singer and teacher, Theresa, the other was his son Robert.
Promising pianists flocked to his villa in the Währing Cottage District on Karl-Ludwig-Straße, Vienna, coming from all over the world, with a great many from the United States, among them singer Clara Clemens, the daughter of Mark Twain.
From 1904 to 1908, he was assisted by one of his students, Ethel Newcomb, an experience which proved a fertile ground for background research for her 1921 book, Leschetizky as I Knew Him.
His descendants still live in Bad Ischl and there is a Leschetizky Villa on Leschetizky-Straße, the summer resort where he often vacationed with his friend Johannes Brahms.
13 (a paraphrase for piano left hand on the famous sextet from the opera Lucia di Lammermoor by Donizetti); and Les deux alouettes, Op.
His most important legacy is as the main teacher of numerous great pianists such as Ignacy Jan Paderewski, Aline van Barentzen, Ernesto Bérumen, Alexander Brailowsky, Agnes Gardner Eyre, Ignaz Friedman, Ossip Gabrilowitsch, Florence Parr Gere, Katharine Goodson, Mark Hambourg, Helen Hopekirk, Mieczysław Horszowski, Edwin Hughes, Frank La Forge, Mabel Lander, Ethel Leginska, Marguerite Melville Liszniewska, Frank Merrick, Benno Moiseiwitsch, Elly Ney, Marie Novello, John Powell, Auguste de Radwan, Zudie Harris Reinecke, Gertrude Ross, Jadwiga Sarnecka, Artur Schnabel, Richard Singer, Józef Śliwiński, Bertha Tapper, Isabelle Vengerova, Maria Wilhelmj, Vita Witek, Paul Wittgenstein, Fannie Bloomfield Zeisler, Agnes Hope Pillsbury, and many others.