Japheth to trace their ancestry directly to Noah. In Scotland, histories tracing the Scottish people to Japheth were published as late as George Chalmers' well-received "Caledonia," published in 3 volumes from 1807 to 1824. Japheth is not mentioned by name in the Qur'an but is referred to indirectly in the narrative of Noah (7:64, 10:73, 11:40, 23:27, 26:119). Muslim exegesis, however, names all of Noah's sons, and these include Japheth. In identifying Japheth's descendants, Muslim exegesis more-or-less agrees with the Biblical traditions. He is usually regarded as the ancestor of the Gog and Magog tribes, and, at times, of the Turks,
Curse of Ham and Phut the Libyans. In medieval Christian exegesis, Ham's sin was regarded as laughter (for mocking his father and doing nothing to rectify his condition). Elsewhere in Medieval Europe, the "Curse of Ham" also became used as a justification for serfdom. Honorius Augustodunensis (c. 1100) was the first recorded to propose a caste system associating Ham with serfdom, writing that serfs were descended from Ham, nobles from Japheth, and free men from Shem. However, he also followed the interpretation of 1 Corinthians 7:21 by Ambrosiaster (late 4th century), which held that as servants in the temporal world, these "Hamites" were