I couldn't find anything in the archives on Earthworm Brennan's family, so I went digging and pulled up this:
https://www.higginsandbonner.com/notices/Owen-Brennan
http://www.faillamemorialhome.com/obituaries.php?id=855
http://njparcels.com/property/0905/249/26/C000A
Dates of his parents dying kinda interesting (post-election), brother and sister-in-law still live in Jersey, can't find much else on them other than where they seemingly live.
North Bergen = Perfect Pizza and Kate Spade connection. This kinda seems like something.