'Bataillard' (or Bataillart) was thus first used by Jean Batailly de Marchamp as a "nom de guerre", probably to reflect his status as a knight, but also as an adaptation of the pre-existing name Batailly.Over the next few years, he would officially incorporate the name (Jean de Marchamp dit Bataillard, 1365); and in 1366, Guichard de Verneys notes that his daughter Jaquette was married to Jean de M. dit Bataillard.