From 1214 to 1291 Bar was ruled by Henry II and Theobald II, who secured the western frontier with Champagne by granting fiefs to French nobles and buying their homage.
Aastatel 1214 kuni 1291 valitsesid Bari Heinrich II ja Theobald II, kes kaitsesid läänepiiri Champagne'iga, eraldades lääni Prantsuse aadlile ja ostes nende truudustunnistusi.