The article is the attempt to analyze the description of the «common crusade», which was written by a member of the First Crusade in his chronicle «The Deeds of the Franks and the other pilgrims to Jerusalem». Comparing a description of the «common crusade» with the descriptions of the other events in the text, it could be possible to make a conclusion, that anonymous author considers members of the «common crusade» as a part of the Crusaders’ army.