Isaac Rogers was born on 13th August, 1754. Justin Huguenin was born on 13th August, 1801 in Les Brenets. Victor Kullberg was born on 13th August, 1824 in Visby. César Huguenin was born on 13th August, 1841 in La Chaux-de-Fonds. Sophie Huguenin was born on 13th August, 1853 in Les Ponts-de-Martel.