This is, in fact, a Slavic translation of an original Greek manuscript of Malalin from the 6th century. In the Greek text, the names of gods are Hephaestus and Helios. Apparently, the unknown Russian translator tried to re-tell the entire story (set in Egypt) by replacing the names of classical deities with those that were better known to his readers. One can only hope that he indeed replaced the names of Greek gods with their fitting Slavic counterparts; however, at least one issue remains problematic: in all Slavic languages, the word for Sun, "Sunce", is of neutral or feminine gender, never masculine (however, there is Russian epic character Vladimir Beautiful Sun which has the same place as Arthur in English culture.) Also, in Baltic mythology, which is most akin to Slavic, Sun is a female deity, Saule, while the Moon is a male one. The same pattern can be observed in the folklore of many Slavic nations, where the Sun is most often identified with mother or a bride, and Moon with father or husband, their children being the stars. Where exactly this leaves Dažbog as a possible male solar deity of Slavic pantheon remains questionable.