Complex sentence: Usually referred to as "Junior" or "Uncle June'", he is the official boss of the DiMeo crime family for most of the series, as well as the mentor and surrogate father for his nephew and DiMeo crime family capo Tony Soprano.
Split into simpler sentences: Usually referred to as "Junior" or "Uncle June'", he is for most of the series the official boss of the DiMeo crime family. He is the mentor and surrogate father for his nephew and DiMeo crime family capo Tony Soprano.