The classification of Sign Language families. Sources are cited on the talk page.
  en:French Sign Language family
  en:American Sign Language (ASL) cluster, derived from FSL
  en:Russian Sign Language cluster, derived from FSL
  en:Czech Sign Language cluster, derived from FSL
  en:Danish Sign Language family, probably related to either FSL or SSL
  en:Swedish Sign Language family, probably related to DSL
  en:German Sign Language family
  en:Vietnamese sign languages, also some Thai and Lao SLs
  en:Arab sign-language family
  en:Indian Sign Language
  en:Chinese Sign Language (unrelated to Taiwanese Sign Language)
  en:Japanese Sign Language family (including Taiwanese Sign Language)
  en:BANZSL family (British, Australian and New Zealand Sign Language)
  en:South African Sign Language, derived from BANZSL
  Isolated languages
  No data
Sources are available at the talk page
Own work
Kf8