Complex sentence: Eltham Football Club is a founding member of the Diamond Valley Football League, now known as the Northern Football League, an Australian rules football competition based in the northern region of suburban Melbourne, Victoria, Australia.
Split into simpler sentences: Eltham Football Club is a founding member of the Diamond Valley Football League. The Diamond Valley Football League, now known as the Northern Football League is an Australian rules football competition based in the northern region of suburban Melbourne, Victoria, Australia.