call their Emperor. But Bodin notes in his margine to his 1. de Rep. cap. IX. that his name is Iochabellul i. gem∣ma pretiosa, as he saies. I cannot but preferre the testi∣mony of Zaga Zabo an Ethiopian Priest, which in this could not deceiue. But plainly as the name of Pres∣byter Ioannes is idly applied to him, so it had its cause vpon another mistaking. For, in the trauails of such as first discouerd to any purpose those Eastern States (as they were of later time) is mention Pol. Venet, l. 1. cap. 51. & seq. Ioh. de Pla∣no Carpini. c. 5. & Will, de Ru∣bruquis. Itine∣rar. made of one Vncham or Vnchan a great Monarch in those parts where now the Geat Cham or Chan of Cathay hath his Dominion; and him, they call Presbyter Ioan∣nes; and write that one Cinchis, whom they fained to haue been begotten on a poore widow by the Sunne beames, as chosen King among the Tartars rebelling a∣gainst this Vncham, ouercame him; and, from this Cin∣chis the Tartarian Monarchie hath its originall. And some more particulars of it you haue in the life of S. Lewes of France, written by De Ionuille, a noble Baron of France, that was with him in the holy warres. Hee calls him in his French Prebstre Iehan. This relation is of about M. C. XC. and hath made the readers con∣found the corrupted names of both Princes, twixt whom, too great distance was to haue the one deriud from the other. And some Aloys. Cada∣must. Nauigat. cap. 60. & Lud. Vartomann. Nauigat. 2. cap. 15. vide, si pla∣cet, Gerardi Mercatoris Geographiam. trauellers into those parts, haue expressely deliuerd them both as one. But the Diuine Scaliger teaches, that, the Asiatique Vncham and his predecessors were calld Prestigiani, that is, in Persian, Apostolique, and so had the name of Padescha Prestigiani, i. Apostolique King, because of his Religion (being a Kind of Christian, as Beldigian is al∣so) which, in Ethiopique-Chaldé must be exprest by Ne∣gush Chawariawi. Doubtles the community of sound twixt Prestigiani, Presbyter, and Precious Gian was a great cause of this error, which, vntill the Portugalls further acquaintance with the Ethiopians, alwayes pos∣sest 0