hereditary russian

• насле́дственный

  hereditary/inherited (adj)

• пото́мственный

  hereditary

• дворя́нство

  nobility

  The class of secular landowners which constituted the dominant privileged exploitative class in feudal society and partly retained its hereditary privileges under capitalism

• насле́дный

  hereditary/crown/related to kingdom (adj)

Examples

• У моего́ ребёнка насле́дственное заболева́ние.My baby has a hereditary disease.
• У моего́ сы́на насле́дственная боле́знь.My son has an hereditary disease.