Abd al-Rahim ibn Ilyas
... that Abd al-Rahim ibn Ilyas, heir apparent of the Fatimid Caliphate, was arrested after the caliph's death and died in captivity under unclear circumstances?
... that <b id="mwA-E"><a href="./Abd_al-Rahim_ibn_Ilyas" id="mwA-I" rel="mw:WikiLink" title="Abd al-Rahim ibn Ilyas">Abd al-Rahim ibn Ilyas</a></b>, <a href="./Wali_al-Ahd" id="mwA-M" rel="mw:WikiLink" title="Wali al-Ahd">heir apparent</a> of the <a href="./Fatimid_Caliphate" id="mwA-Q" rel="mw:WikiLink" title="Fatimid Caliphate">Fatimid Caliphate</a>, was arrested after the caliph's death and died in captivity under unclear circumstances?