 Isa also faced opposition from Ahmad ibn Tahir ibn Ghannam, another distant relative from the Banu Rabi'ah, and from his Al Fadl kinsman Zamil ibn Ali ibn Haditha.The latter coveted the post, viewing himself as the rightful heir to the office that had been held by his father.In his conflict with Isa, Zamil was defeated, imprisoned, then released after a reconciliation between the chieftains of the Banu Rabi'ah in 1264.