Abbas ibn Abi al-Futuh
... that Abbas ibn Abi al-Futuh was a Zirid prince who became a vizier of the Fatimid Caliphate after assassinating his stepfather, and was overthrown after murdering caliph al-Zafir?
... that <b id="mwBOc"><a href="./Abbas_ibn_Abi_al-Futuh" id="mwBOg" rel="mw:WikiLink" title="Abbas ibn Abi al-Futuh">Abbas ibn Abi al-Futuh</a></b> was a <a href="./Zirid_dynasty" id="mwBOk" rel="mw:WikiLink" title="Zirid dynasty">Zirid</a> prince who became a <a href="./Vizier_(Fatimid_Caliphate)" id="mwBOo" rel="mw:WikiLink" title="Vizier (Fatimid Caliphate)">vizier of the Fatimid Caliphate</a> after assassinating his stepfather, and was overthrown after murdering caliph <a href="./Al-Zafir" id="mwBOs" rel="mw:WikiLink" title="Al-Zafir">al-Zafir</a>?