on late chroniclers, assumes that he was buried in the Benedictine monastery in Lubiń. At his death, Henry I the Bearded, by virtue of the inheritance treaty, became the main claimant over both Greater and Lesser Poland, but his rights over this areas where soon contested and he had to fight to conquer both. See also Poland during the Piast dynasty References 1160s births 1231 deaths 13th-century Polish monarchs Polish Roman Catholics Dukes of Greater Poland Monarchs who abdicated