. . . "15pxDuchy of Lorraine" . . . . . . "war of the Succession of Champagne" . . . . . . "15pxDuchy of Burgundy" . "15pxCounty of Bar" . "15pxCount of Champagne" . "thwart Erard's efforts" . "War of the Succession of Champagne" . . . . "Theobald IV succeeds as Count, Countess-Regent Blanche centralizes authority over local barons" . . . . . "War of the Succession of Champagne" . . . "laid claim" . . "succession crisis of Champagne" . "War of Succession of Champagne" . . "15pxmedievalPapacy" . . . . "15pxKingdom of France" . . "15pxHoly Roman Empire" . "15pxMost of the local barons in the eastern and southern borderlands of Champagne, united under Erard of Brienne claiming succession by marrying Theobald IV's cousin Philippa." .