e/French Sign Language family

Information
has gloss	eng: The French Sign Language Family is a speculated sign language family which includes languages such as French Sign Language, American Sign Language and Thai Sign Language among others. The FSL family branches from Old French Sign Language, which grew from the deaf community in Paris. Its earliest mention is by the Abbée Charles-Michel de l'Épée in the late seventeenth century, but could have existed for centuries prior. OLSF has extended its reach into several other countries. Most notably in the United States where educator Laurent Clerc came and taught his language at the American School for the Deaf where American Sign Language was born.
lexicalization	eng: French Sign Language family
subclass of	(noun) a systematic means of communicating by the use of sounds or conventional symbols; "he taught foreign languages"; "the language introduced is standard throughout the text"; "the speed with which a program can be executed depends on the language in which it is written" language, linguistic communication
instance of	e/Language family