Cousin

двою́родная сестра́

dvojúrodnaja sestrá

(child of a person’s parent’s brother or sister)

двою́родный брат

dvojúrodnyj brat

(child of a person’s parent’s brother or sister)

кузе́н

kuzén

(child of a person’s parent’s brother or sister)

кузи́на

kuzína

(child of a person’s parent’s brother or sister)

ро́дственник

ródstvennik

(any relation (especially a distant one) who is not a direct ancestor or descendant but part of a person’s extended family)

ро́дственница

ródstvennica

(any relation (especially a distant one) who is not a direct ancestor or descendant but part of a person’s extended family)