Jacques

Jacques was the illegitimate son of Madame Levene, the Maison Royale de Saint-Louis school's headmistress and the lover of the handmaiden Hélène. He was the Maison Royale's groundskeeper and lived in a lodge in the school's perimeter.

Biography
Jacques, being the son of the headmistress, was kept secret to the school; to see him, Madame Levene sneaked every midnight to Jacques' lodge, which the students mistook for sneaking off with her lover. The Templar Élise de la Serre, determined to blackmail the headmistress, followed her and used this information for herself.

On 9 April 1788, an exhausted Élise, Hélène, and her wounded mentor Freddie Weatherall arrived on the Maison Royale, seeking for Madame Levene's help. The headmistress took them to Jacques' lodge, where they were taken care of. Jacques and Élise assisted a doctor to cut Weatherall's leg.

As Élise continued her education, Jacques and his mother let the trio stay in his home. He eventually fell in love with Hélène and the two worked together at the Maison Royale.

Reference

 * 1) Assassin's Creed: Unity novel