mediately upon
the surrender of Thionville, he sent a considerable reinforcement to
Field-Marshal Guebriant in Alsace; and to encourage the troops to bear
the fatigues of the German war, the celebrated victor of Rocroi, the
Duke of Enghien, afterwards Prince of Conde, was placed at their head.
Guebriant now felt himself strong enough to appear again in Germany with
repute. He hastened across the Rhine with the view of procuring better
winter quarters in Suabia, and actually made himself master of Rothweil,
where a Bavarian magazine fell into his hands. But the place was too
dearly purchased for its worth, and was again lost even more speedily
than it had been taken. Guebriant received a wound in the arm, which
the surgeon's unskilfulness rendered mortal, and the extent of his loss
was felt on the very day of his death.

The French army, sensibly weakened by an expedition undertaken at so
severe a season of the year, had, after the taking of Rothweil,
withdrawn into the neighbourhood of Duttlingen, where it lay in complete
security, without expectation of a hostile attack. In the mean time,
the enemy collected a considerable force, with a view to prevent the
French from establishing themselves beyond the Rhine and so near to
Bavaria, and to protect that quarter from their ravages. The
Imperialists, under Hatzfeldt, had formed a junction with the Bavarians
under Mercy; and the Duke of Lorraine, who, during the whole course of
the war, was generally found everywhere except in his own duchy, joined
their united forces. It was resolved to force the quarters of the
French in Duttlingen, and the neighbouring villages, by surprise; a
favourite mode of proceeding in this war, and which, being commonly
accompanied by confusion, occasioned more bloodshed than a regular
battle. On the present occasion, there was the more to justify it, as
the French soldiers, unaccustomed to such enterprises, conceived
themselves protected by the severity of the winter against any surprise.
John de Werth, a master in this species of warfare, which he had often
put in practice against Gustavus Horn, conducted the enterprise, and
succeeded, contrary to all expectation.

The attack was made on a side where it was least looked for, on account
of the woods and narrow passes, and a heavy snow storm which fell upon
the same day, (the 24th November, 1643,) concealed the approach of the
vanguard till it halted before Duttlingen. The whole of the artillery