[2] Alexandre Charles Perrégaux was born in Neuchâtel on 21 October 1791, the second son of Charles Albert Henri Perregaux (1757-1831) who was state councilor, colonel inspector of militias and knight of the red eagle.

Cécile, who was born on 9 September 1804, predeceased her husband, dying in Paris on 24 March 1830.

Perrégaux took part in the Expedition of the Col des Beni Aïcha, and was present at the Siege of Constantine on 12 October 1837 when General Charles-Marie Denys de Damrémont was killed by a cannonball.

[5] While attempting to reach Damrémont and recover his body, Perrégaux was struck by a bullet which passed through his nose and into the palate of his mouth.

[1][9] The boat carrying him docked in a port on the island of Sardinia, and he was buried in a cemetery in the city of Cagliari.