The name is a derivative that comes from a major mountain range in Armenia called Siunats then from the name of an ancient kingdom called Siunik (which is now present day the largest region in Armenia)
Sion is a guy's name that comes from a city in Armenia - It is not the male version of Siune
A Siun Heaton is an inbred half English half Irish girl who attends Winstanley College. Siun Heaton is regularly seen shagging boys in the back seats of corsas and is often found with ket.
Holy Shit look at Siun Heaton shagging someone other than Nathan in Josh'sCorsa!