世せい系けいせいけいじ字FuriganaAudioMeanings1noundescent; lineage; bloodlineRefers to the line of descent from ancestors; often used in historical or formal contexts.彼かれは名めい門もんの世せい系けいに生うまれた。Break this sentence down in the analyzerHe was born into a distinguished lineage.2nounfamily tree; genealogyCan refer to a genealogical chart or the study of family history.祖そ父ふが家いえの世せい系けいを調しらべている。Break this sentence down in the analyzerMy grandfather is researching our family tree.