← All surnamesŠtoncasŠTOÑCASEtymologyCf. German Stun(t)z ¹. Feminine FORMSŠtoncienė / ŠtoncaitėPronunciation/²ˈʃtoːnˑt͡sɐs/SOURCES1. H. Bahlow, 1967, p. 507.