This happened several more times and as a result, nearly 40% of Vietnamese have the name Nguyen. Internet says the name derives from a Chinese name "Ruan." Ruan was a place fairly north in China but its people were displaced and moved south. There is an instrument with the same name.
It's a sistrum and a bowl (patera or phiale) used for libation. The sistrum, a musical instrument used as a rattle, isn't restricted to the cult of Isis; you may encounter it also in the context of the cult of Mithras, too. See also the Encyclopedia Britannica on the sistrum. For the sistrum, cf.
Nguyen Spa Blackheads, this statue of Isis: Photo taken by Marie-Lan Nguyen (2006), Public domain, via Wikimedia Commons ... Vu Hong Lien is a Vietnamese–British historian who has written widely on the history of Southeast Asia. She is a guest lecturer at the School of Oriental and African Studies at the University of London, and the author of Royal Hue: Heritage of the Nguyen Dynasty of Vietnam and coauthor of Descending Dragon, Rising Tiger: A History of Vietnam, also published by Reaktion Books - press.uchicago ... The first mention of the structure is attributed to Herophilos of Chalkedon, a Greek doctor who taught in Alexandria around 300 BC. Further descriptions followed, but it was Gabriele Falloppio (1523-1562) who extended the anatomical knowledge of the structure to such an extent that it still bears his name in many countries (including the Latin tuba Fallopii, English Fallopian tube).
