DudayevДудаев, ДудагӀеранChechen, Ossetian (Russified) Russified form of a Chechen and Ossetian family name of disputed meaning; the name may be derived from Ossetian дудахъхъ (dudaqq) meaning "bustard", from Ingush тат (tat) meaning "Mountain Jew", or from Circassian дадэ (dade) meaning "grandfather" or "king, head, chief"... [more]
SadulaevСадулаевChechen From the Arabic given name Sadulla meaning “happiness of Allah” from سَعِدَ (saʿida) “to be happy, to be lucky” combined with Allah.
TsarnaevЦарнаевChechen (Rare) Meaning uncertain, possibly from Chechen царна (tsarna) meaning "them, they" or from an unknown given name or nickname. This is the surname of brothers Tamerlan (1986-2013) and Dzhokhar (1993-) Tsarnaev, the perpetrators of the Boston Marathon bombing.