The Serbo-Croatian standard languages (Serbian, Croatian, Bosnian and Montenegrin) have one of the more elaborate kinship (srodstvo) systems among European languages.
Most words are common to other Slavic languages, though some derive from Turkish.
There are four main types of kinship in the family: biological a.k.a.
There are separate terms for maternal and paternal uncles, but not for aunts.
Foster relations are important and have dedicated terms.