HISTORY
OF THE IL- KHANS
324
to Ghiyath al-Din, who had twice invaded his territory, the Atabeg
Sa'd showered presents upon Jalal al-Din, gave him his daughter in
marriage and even agreed to the sultan's request for the release from
imprisonment of his rebellious son Abu Bakr, afterwards his successor
and the patron of the poet Sa'di. Jalal al-Din remained in Shiraz only
for a month or two after the marriage (perhaps the most permanent of
these alliances, for we know that the Sal
ghurid princess accompanied
Jalal al-Din in the final flight before the Mongols that culminated in his
death at the hands of a Kurdish assassin), and then made his way to
Isfahan. Here he learnt of Ghiyath al-Din's presence at Ray, whither he
proceeded at such speed as to catch his brother and his followers
completely unawares. Most of the officers and officials at once declared
themselves for Jalal al-Din, and those who, with Ghiyath al-Din at
their head, had fled in panic, were soon persuaded to return and tender
their submission. Thus, after three years of wandering, the sultan
found himself in undisputed possession of part at least of his father's
empire.
With the military resources now at his command Jalal al-Din, in the
winter of
1224-5, moved southwards into Khuzistan with the object,
apparently, of resuming his father's feud with the caliph. Nasawi
1
and
Juvaini
2
are, as one would expect, somewhat reticent on this delicate
subject and it is only Ibn al-Athir
3
who gives a detailed account of the
campaign. In Muharram
622/January-February
1225 the sultan
invested Shustar, which was defended with considerable vigour by the
caliphal governor of Khuzistan, Muzaffar al-Din Wajh al-Sabu'. As
the siege dragged on detachments of the sultan's army infiltrated west-
wards plundering the country as they went; they reached the districts
of Baduraya and Bakusaya on the eastern borders of Arab 'Iraq, and
one party turned southwards to clash with the governor (sbahnd) of
Basra. Meanwhile the siege of Shustar, which had continued for two
months, was suddenly abandoned, and the sultan set out in the direction
of Baghdad. His advance was opposed by an army of
20,000 men under
the command of the mamluk Jamal al-Din Qush-Temiir. Defeated by a
ruse,
despite their superior numbers, the caliph's troops were driven
back to the outskirts of Baghdad, which, however, the sultan did not
closely approach, perhaps because of the formidable preparations that
had been made for his reception, making instead for the small town of
1
Transl. Houdas, pp. 180-1.
2
Transl. Boyle, vol. 11, pp. 421 ff.
3
Vol.
XII,
pp.
276-8.