Assertion: nephew's son | /r/HasProperty | niece
Facets:
Source sentences:
text: If OED says that your great-nephew is your son's nephew ("great-nephew, -niece, a son's or daughter's nephew, niece"), then that is equivalent to your son's sibling's son and also to your grandson.
text: Your great-nephew is NOT "your son’s brother’s son" (i.e., your son’s nephew), but rather it’s YOUR nephew’s son.
text: Then he had no son, only his nephew, Perdix.