Heraugiere, who was with his company in Voorn at the moment, eagerly signified his desire to attempt the enterprise as soon as the matter was communicated to him; avowing the deepest devotion to the house of William the Silent and perfect willingness to sacrifice his life, if necessary, in its cause and that of the country.

Philip Nassau, cousin of Prince Maurice and brother of Lewis William, governor of Gorcum, Dorcum, and Lowenstein Castle and colonel of a regiment of cavalry, was also taken into the secret, as well as Count Hohenlo, President Van der Myle and a few others; but a mystery was carefully spread and maintained over the undertaking.
Heraugiere selected sixty-eight men, on whose personal daring and patience he knew that he could rely, from the regiments of Philip Nassau and of Famars, governor of the neighbouring city of Heusden, and from his own company.

Besides himself, the officers to command the party were captains Logier and Fervet, and lieutenant Matthew Held.

The names of such devoted soldiers deserve to be commemorated and are still freshly remembered by their countrymen.
On the 25th of February, Maurice and his staff went to Willemstad on the Isle of Klundert, it having been given out on his departure from the Hague that his destination was Dort.

On the same night at about eleven o'clock, by the feeble light of a waning moon, Heraugiere and his band came to the Swertsenburg ferry, as agreed upon, to meet the boatman.