, and the siege of Damietta, in Jacobus
a Vitriaco, (l. iii. p. 1125--1149, in the Gesta Dei of Bongarsius,) an
eye-witness, Bernard Thesaurarius, (in Script. Muratori, tom. vii. p.
825--846, c. 190--207,) a contemporary, and Sanutus, (Secreta Fidel
Crucis, l. iii. p. xi. c. 4--9,) a diligent compiler; and of the
Arabians Abulpharagius, (Dynast. p. 294,) and the Extracts at the end of
Joinville, (p. 533, 537, 540, 547, &c.)]

[Footnote 86: To those who took the cross against Mainfroy, the
pope (A.D. 1255) granted plenissimam peccatorum remissionem. Fideles
mirabantur quod tantum eis promitteret pro sanguine Christianorum
effundendo quantum pro cruore infidelium aliquando, (Matthew Paris p.
785.) A high flight for the reason of the xiiith century.]

[Footnote 87: This simple idea is agreeable to the good sense of
Mosheim, (Institut. Hist. Eccles. p. 332,) and the fine philosophy of
Hume, (Hist. of England, vol. i. p. 330.)]

The persons, the families, and estates of the pilgrims, were under the
immediate protection of the popes; and these spiritual patrons soon
claimed the prerogative of directing their operations, and enforcing,
by commands and censures, the accomplishment of their vow. Frederic the
Second, [88] the grandson of Barbarossa, was successively the pupil, the
enemy, and the victim of the church. At the age of twenty-one years, and
in obedience to his guardian Innocent the Third, he assumed the cross;
the same promise was repeated at his royal and imperial coronations; and
his marriage with the heiress of Jerusalem forever bound him to defend
the kingdom of his son Conrad. But as Frederic advanced in age and
authority, he repented of the rash engagements of his youth: his liberal
sense and knowledge taught him to despise the phantoms of superstition
and the crowns of Asia: he no longer entertained the same reverence
for the successors of Innocent: and his ambition was occupied by the
restoration of the Italian monarchy from Sicily to the Alps. But the
success of this project would have reduced the popes to their primitive
simplicity; and, after the delays and excuses of twelve years, they
urged the emperor, with entreaties and threats, to fix the time and
place of his departure for Palestine. In the harbors of Sicily and
Apulia, he prepared a fleet of one hundred galleys, and of one hundred
vessels, that were framed to transport and land two thousand five
hundred knights, with their horses and attendants; h