Manuclo's baby was said to have smiled his first undoubted smile at her; Manuelo's mother-in-law gave her a charm against rheumatism: a pleasing confection of batskins, jaguar claws and human teeth.

A goodly Lady did foreby them rush, / Whose face did seeme as cleare as Christall stone ….

Circensian Games

It is only the first occurrence that appears as Ibn Umar al-Khattab. What, if any, significance this has I know not. Frankly, it's a rather lengthy article, and I'm just not that interested in the finer points of Koranology.