Old French (9th-13th centuries). The dialects of Northern Gaul developed into separate language (Langue d’oil, see below) with a grammar of its own. The first written materials in it date from the Strasbourg Oaths of 842. The Old French literature flourished since the 10th century (chansons de geste etc.). French in this period was already taught in the neighboring countries (especially in Germany). In 11th-13th centuries it was the dominant language of the English administration (see more in the Romance Influences on English). It was, also, the language of the crusaders in the Levantine countries.
Middle French (14th-15th centuries). This period was marked by changes both in the pronunciation and in the grammar. A common literary language, based on the dialect of Île de France (the region of Paris), was promoted by the writers. French was replacing Latin in the texts of the public administration in France.
http://www.orbilat.com/Languages/French/French.html
Nice. Google is your friend. You have confirmed that French eventually replaced Latin as the universal language and (eventually I suppose) you will find out that English replaced French.
You still haven’t answered my question as to what language you think Jesus spoke.