The Arabian traditions respecting the dynasty of Ghassán are hopelessly confused and supply hardly any material even for the rough historical sketch which may be pieced together from the scattered notices in Byzantine authors.[109] It would seem that the first unquestionable Ghassánid prince was Ḥárith b. Jabala (Ἀρέθας τοῦ Γαβάλα), who figures in Arabian chronicles as 'Ḥárith the Lame,' and who was appointed by Justinian (about 529 A.D.) to balance, on the Roman side, the active and enterprising King of Ḥíra, Mundhir b. Má’ al-samá. During the greater part of his long reign (529-569 A.D.) he was engaged in war with this dangerous rival, to whose defeat and death in the decisive battle of Ḥalíma we have already referred. Like all his line, Ḥárith was a Christian of the Monophysite Church, which he defended with equal zeal and success at a time when its very existence was at stake. The following story illustrates his formidable character. Towards the end of his life he visited Constantinople to arrange with the Imperial Government which of his sons should succeed him, and made a powerful impression on the people of that city, especially on the Emperor's nephew, Justinus. Many years afterwards, when Justinus had fallen into dotage, the chamberlains would frighten him, when he began to rave, with "Hush! Arethas will come and take you."[110] [Sidenote: Mundhir b. Ḥárith.] Ḥárith was succeeded by his son, Mundhir, who vanquished the new King of Ḥíra, Qábús b. Hind, on Ascension Day, 570 A.D., in a battle which is perhaps identical with that celebrated by the Arabs as the Battle of ‘Ayn Ubágh. The refusal of the Emperor Justinus to furnish him with money may have prevented Mundhir from pursuing his advantage, and was the beginning of open hostility between them, which culminated about eleven years later in his being carried off to Constantinople and forced to reside in Sicily. From this time to the Persian conquest of Palestine (614 A.D.) anarchy prevailed throughout the Ghassánid kingdom. The various tribes elected their own princes, who sometimes, no doubt, were Jafnites; but the dynasty had virtually broken up. Possibly it was restored by Heraclius when he drove the Persians out of Syria (629 A.D.), as the Ghassánians are repeatedly found fighting for Rome against the Moslems, and according to the unanimous testimony of Arabian writers, the Jafnite Jabala b. al-Ayham, who took an active part in the struggle, was the last king of Ghassán. His accession may be placed about 635 A.D. The poet Ḥassán b. Thábit, who as a native of Medína could claim kinship with the Ghassánids, and visited their court in his youth, gives a glowing description of its luxury and magnificence. [Sidenote: Ḥassán b. Thábit's picture of the Ghassánid court.]