Note 675 — Chapter VI · (continued 2)

Ulvíahs, or Alííades, are called the descendants of Alí, the two principal branches of whom were those of his sons, Husseim and Hassan. In the first continued the twelve Imáms; in the second, several leaders rose, with unequal success, in different times and places, against the government of the Ommiades and Abbasides.