Svarog is the Slavic god of celestial fire. He had two sons: Dažbog, who represented the fire in sky (the Sun), and Svarožič, who symbolised the flame on earth, in the forge. Often seen as a patron of blacksmiths.

Truth lies just beneath the surface by “Sarmati”
In Slavic mythology, the rusalki were fish-women, who lived at the bottom of rivers. In the middle of the night, they would walk out to the bank and dance in meadows. If they saw handsome men, they would fascinate them with songs and dancing, mesmerize them, then leading them away to the river floor to their deaths.
(A World of Fantasy)

Sirin and Alkonost - bird-maidens of ancient legends and tales.
They are mentioned in the Russian chronicles, and the images of the thumbnails have been preserved in ancient manuscripts, in the jewellery of Kievan Rus (a loose federation of East Slavic tribes in Europe from the late 9th to the mid-13th century, under the reign of the Rurik dynasty. Today it’s known as the First eastern Slavic state.) and in the thread of white stone cathedrals from Kiev to Vladimir-Suzdal.
You know hat today, is, right? Don’t forget to give out a offering to Radgost. Happy equinox, Rodnovers. SLAVA!