In the lands of Movarounnahr and Khurasan, famous families who have gone to the world with science lived and worked. They made their unique contributions to Islamic heritage in the fields of fiqh, kalam and hadith. Moza Bukhari dynasty in Movarounnahr, Ibn Manda dynasty and Samani dynasty in Khorasan are vivid examples. Among them, the Samani family is the subject of research.