Itzko is linked to this ancestry.com profile https://www.ancestry.com/family-tree/person/tree/48039797/person/28...
where he is born in 1888 in Belarus
He is listed as the son of "Solomon Dvoralisky, Dworman, Avraham Israel Feibish Halpern, Tenenbaum, Benjamin, Isaac, Leib, Zvi Segal, Zemach Gunzburg, Ephraim Musman, Samuel Glazano, Mayer Rachelson, Kreslavsky, Netanel Buchvald , Aaron Grines, Shulem Murdechai Cazkes, Zalmon Gold, Leizer De Zekzer, Leizer Zisie, Zalzberg" born 1830
Based on this he is not the son of Chaiim Ber Voikhansky