Person ʾIsmāʿīl b. Aḥmad b. ḤammādName variants:ʾIsmāʿīl b. Aḥmad b. Ḥammād: P.Lond.inv. Or. 4684/VIIIWitness clause in a sale contract dated 384 AH (P.Lond.inv. Or. 4684/VIII).