The Nine Daughters of Ægir and Rán are the Norse Goddesses of Waves.
Norse Mythology[]
In Norse mythology, the goddess Rán and the jötunn Ægir both personify the sea, and together they have nine daughters who personify waves. Each daughter's name reflects poetic terms for waves. The sisters are attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources; the Prose Edda, composed in the 13th century; and in the poetry of skalds. Scholars have theorized that these daughters may be the same figures as the nine mothers of the god Heimdallr. Their names are Blóðughadda, Bylgja, Drǫfn, Dúfa, Hefring, Himinglæva, Hrǫnn, Kólga and Unnr.
God of War[]
They were referenced when travelling through the Lake of Nine (nine daughters that being the personification of the waves)