In Greek mythology, Phaethusa ("radiance") was a daughter of Helios and Neaera, the personification of the brilliant, blinding rays of the sun. With her sister, Lampetia, she guarded the cattle of Thrinacia[?].
... also spelled Rameses, is the name of several Egyptian pharaohs:
Ramses I[?]
Ramses II ("The Great")
Ramses III
Ramses IV[?]
The name means "Child of the ...