Henri Guillaume

[1] He was living in Charleroi when the Belgian Revolution broke out in 1830, and immediately joined the revolutionary forces, becoming secretary to Léonard Greindl (a future minister of war) just as the surrender of the Dutch garrison in Charleroi was being negotiated.

On 27 November 1843 he was sent the Royal Military Academy, and on 19 July 1845 promoted to captain (first class).

[1] Guillaume resigned from the ministry on 3 January 1868 to take up a position as aide de camp to King Leopold II.

His failure to obtain reform of the conscription law led to his resignation from the government on 10 December 1872.

[2] He was ennobled by letters patent of 20 January 1873, and briefly served as head of the War College within the Royal Military Academy.