Hans Clemer was a French painter of Flemish origin who worked most of his career at Piedmont. There is little documentation of the birth of Hans Clemer. The first records date from the late fifteenth century. The artistic career of Hans Clemer shows an articulate culture, attentive to innovative technical solutions, in which there are references to his contemporary Giovanni Martino Spanzotti.A document found in Aix-en-Provence, speaks about two painters, Josse Lieferinxe and Mestre Ans and contains an agreement between the two artists, linked by kinship and the leader of the Brotherhood of St. Anthony of Padua, the monastery of Aix, for the realization of a work representing the saint.To the end of the fifteenth century Clemer seems to be already in service in the valleys of the marquisate