The Hebrew that is transliterated as «Japheth» in English is translated in Spanish Sign Language with a sign that signifies «Europe,» referring to the fact that Japheth traditionally is seen as the forefather of the European people. (Source: Steve Parkhurst)
«Japheth» in Spanish Sign Language, source: Sociedad Bíblica de España
For more information on translations of proper names with sign language see Sign Language Bible Translations Have Something to Say to Hearing Christians .
More information on Japheth .