Japheth Book of Genesis as one of the three sons of Noah, saved through the Ark. They are always in the order "Shem, Ham, and Japheth" when all three are listed (Genesis 5:32, 9:18 and 10:1), but Genesis 9:24 calls Ham the youngest, and Genesis 10:21 refers ambiguously to Shem as "brother of Japheth the elder," which could mean that either is the eldest. Most modern writers accept Shem-Ham-Japheth as reflecting birth order, but this is not always the case: Moses and Rachel also appear at the head of such lists despite explicit descriptions of them as younger siblings. Following the
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