Passage: Theobald I of Lorraine died in May 1220 under mysterious circumstances, and to seal the peace the 19-year-old Theobald IV of Champagne married Lorraine's 16-year-old widow, Gertrude of Dagsburg.  Duke Theobald I's brother Matthew II, who succeeded in Lorraine, made peace and swore fealty to Blanche.  Bishop William of Langres was elected archbishop of Reims in 1219, resulting in his fortuitous departure from the conflict.  Erard renounced any claim on Champagne on 2 November 1221 and Philippa in April 1222.  In return for renouncing his claims, Erard received a substantial cash settlement.  The last rebel baron, Erard II of Chacernay, swore his renewed loyalty to Theobald IV in March 1222.  Two months later in May 1222, Theobald IV reached the age of maturity and began his reign as count, and the triumphant Countess-Regent Blanche withdrew to the Cistercian convent of Argensolles for her retirement.
How many Theobald's was Gertrude of Dagsburg married to in her lifetime? How many different times did Erard renounce claims? How many months after Erad renounced any claim on Champagne did he renounce claim on Philippa? How many regions did Erard renounce any claim of? How many years are between Theobald IV of Champagne and Gertrude of Dagsburg? How many years old was Theobald I of Lorraine's widow when he died? How many years older was Theobald IV of Champagne than Lorraine's widow, Gertrude of Dagsburg? How many years older was Theobald IV of Champagne than his wife? How many years passed from Theobald I of Lorraine dying and Theobald IV reigning? When was Gertrude of Dagsburg born? When was Theobald IV of Champagne born? Who was older, Theobald IV of Champagne or Gertrude of Dagsburg? what did countess regent do? what did erard do with his claim?