Gordon Wenham suggests that the name "Cain" means "smith" (which would anticipate the remarks about his metal-working skill), or that he is called "Tubal Cain" in order to distinguish him from the other Tubal, the son of Japheth.
In Madeleine L'Engle's novel Many Waters (1986), the wife of Shem is said to be Elisheba, that of Ham to be Anah, sister of Tiglah, and that of Japheth Oholibamah.
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The Anglo-Saxon "Solomon and Saturn" dialogue gives for Noah's wife Dalila, for Ham's, Jaitarecta, and for Japheth's Catafluvia, while giving Olla, Ollina and Ollibana as alternatives.