Countesses of la Boëssière-Thiennes Condessas de la Boëssière-Thiennes Records #4 Holders Family filter On/Off Michèle de la Boëssière-Thiennes * 1944 Elisabeth, countess of la Boëssière-Thiennes * 1939 Françoise, countess of la Boëssière-Thiennes * 1947 Prisca, countess of la Boëssière-Thiennes * 1941 Corrections and Updates To suggest a correction or an update. Click Here