Earlier it was thought that the family started with Ladislaus Kán as a branch of Kán kindred. The Lack de Szántó family was not related to the Lackfis.
Stephen II (died 1397), Lord of Međimurje, Lendava, Vinica, and Keszthely, Ban of Croatia (1371–1372; 1382–1386), Voivode of Transylvania (1372–1376), Palatine of Hungary (1387–1392), Prince of Zadar (1383, 1387–88, 1391–92).
Emeric I (Croatian: Mirko, Hungarian: Imre), Voivode of Transylvania (1369–1372), Ban of Bulgaria (1365–1366), Ban of Croatia, Slavonia, and Dalmatia (1368), Prince of Zadar (1368–69).
Denis II (Croatian: Dionizije, Hungarian: Dénes), Voivode of Transylvania (1359–1367).
George I (Croatian: Juraj, Hungarian: György), Ban of Mačva/Macsó (1392–1393).