Ahmad ibn Ibrahim al-Naysaburi
... that 11th-century scholar Ahmad ibn Ibrahim al-Naysaburi, an authority on the early history of Isma'ilism, composed the first official genealogy of the Fatimid dynasty?
... that 11th-century scholar <b id="mwBZY"><a href="./Ahmad_ibn_Ibrahim_al-Naysaburi" id="mwBZc" rel="mw:WikiLink" title="Ahmad ibn Ibrahim al-Naysaburi">Ahmad ibn Ibrahim al-Naysaburi</a></b>, an authority on the early history of <a href="./Isma'ilism" id="mwBZg" rel="mw:WikiLink" title="Isma'ilism">Isma'ilism</a>, composed the first official genealogy of the <a href="./Fatimid_Caliphate" id="mwBZk" rel="mw:WikiLink" title="Fatimid Caliphate">Fatimid</a> dynasty?