avuncular relationship

avuncular relationship

A general term for the genetic relationship between blood-related nieces/nephews and their aunts/uncles, in which they share one half the DNA that they would with a parent.
References in periodicals archive ?
Richter's easy and avuncular relationship with Elgar is well illustrated by a letter in 1904 apologizing for not writing to congratulate the new knight, 'but was it possible for me to congratulate all the "Sirs" who are honoured by your companionship?