And from him, from Muḥammad b. al-Ḥusayn b. Abī’l-Khaṭṭāb, from Sulaymān b. Jaʿfar al-Jaʿfarī, from Ḥammād b. ʿĪsā al-Juhnī, from Abī ʿAbd Allāh عليه السلام, that he said: “Imamate will not be conferred jointly on any two brothers after al-Ḥasan and al-Ḥusayn عليهما السلام. It is only for the descendants (of al-Ḥusayn عليه السلام), generation after generation.”