<P> Around the same time, as a shift took place in France towards using French as a language of record in the mid-13th century, Anglo - Norman French also became a language of record in England though Latin retained its pre-eminence for matters of permanent record (as in written chronicles). From around this point onwards, considerable variation begins to be apparent in Anglo - French, which ranges from the very local (and most anglicized) to a level of language which approximates to and is sometimes indistinguishable from varieties of continental French . Thus, typically, local records are rather different from continental French, with diplomatic and international trade documents closest to the emerging continental norm . English remained the vernacular of the common people throughout this period . The resulting virtual trilinguism in spoken and written language was one of medieval Latin, diverse French varieties and Middle English . </P> <P> From the conquest (1066) until the end of the 14th century, French was the language of the king and his court . During this period, marriages with French princesses reinforced the French status in the royal family . Nevertheless, during the 13th century, intermarriages with English nobility became more frequent . French became progressively a second language among the upper classes . Moreover, with the Hundred Years' War and the growing spirit of English nationalism, the status of French diminished . </P> <P> French was the mother tongue of every English king from William the Conqueror (1066 - 1087) until Henry IV (1399--1413). Henry IV was the first to take the oath in English, and his son, Henry V (1413--1422), was the first to write in English . By the end of the 15th century, French became the second language of a cultivated elite . </P> <P> Until the end of the 13th century, Latin was the language of all official written documents . Nevertheless, some important documents had their official Norman translation, such as the Magna Carta signed in 1215 . The first official document written in Anglo - Norman was a statute promulgated by the king in 1275 . Thus, from the 13th century, Anglo - Norman became used in official documents, such as those that were marked by the private seal of the king whereas the documents sealed by the Lord Chancellor were written in Latin until the end of the Middle Ages . English became the language of Parliament and of legislation in the 15th century, half a century after it had become the language of the king and of most of the English nobility . </P>

When did the english royal family stop speaking french
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