三さん従じゅう兄けい弟ていさんじゅうけいていじ字FuriganaAudioMeanings1nounsecond cousinRefers to a second cousin: the child of one's parent's first cousin. The term is relatively formal and less common in everyday conversation; はとこ is the more colloquial equivalent.See also: はとこ · またいとこ彼かれは私わたしの三さん従じゅう兄けい弟ていにあたります。Break this sentence down in the analyzerHe is my second cousin.三さん従じゅう兄けい弟ていという言こと葉ばは、日にち常じょうではあまり使つかわれません。Break this sentence down in the analyzerThe word 三従兄弟 is not often used in daily life.