Jean I de Grandson, Seigneur de Pesmes, Valay, Durnes Abt 1371 - 28 Sep 1396 Nikopolis (in battle) Parents Jacques de Grandson, Sire de Pesmes, Durnes Marguerite de Vergy, Dame de Lamarche-sur-Saone Children Henriette de Grandson (Grançon) Siblings Huguette de Grandson Anna (Agnes) de Grandson