GyöngyvérfHungarian Means "sister of pearl", from Hungarian gyöngy "pearl" and testvér "sibling". This name was created by the Hungarian poet János Arany for a character in his poem The Death of King Buda (1864).
NajafGreenlandic, Danish From Greenlandic najaa meaning "his younger sister". It was popularized in Denmark by the writer B. S. Ingemann, who used it in his novel Kunnuk and Naja, or the Greenlanders (1842).