[1] After being sent to aid the beleaguered fortress, the French military commander, the Duke of Lesdiguieres (also known as Marshal Créquy) was killed there while reconnoitring, on 17 March 1638.

[4] The field officers, or higher, including the captains of the tercios that took part, or whose units were present at the siege,[3][1][4] included the following: On his way to the siege, Tiberio Brancaccio's tercio stopped off at the fortress at Sartirana Lomellina, whose garrison of 60 men and their captain they captured after a few exchanges of cannon fire.

[7] The Royal Collection Trust has two etchings and engravings, printed on paper, of the siege; one, a high oblique view, by Bernardino Bassano (fl.

1635-38), with a key in Italian[1] and another, oriented with north to top, by Giovanni Paolo Bianchi (fl.

[3] Both show the location where the French military commander (maresciallo Chirichi, in Italian) was killed.