It will be revealed in S7E11 ("Common Ground") that both Ed and Kyle share Lithuanian ancestry as well as the Basque ancestry discussed in S1E20.
Tim Allen in his garage has tools hanging in the background. One of the tools shown is a polished head framing hammer, most likely a "Hart" brand. During the run of Home Improvement (1991), Hart, (or perhaps a very similar brand) sold wooden-handled hammers with a "Tim Taylor" signature branded on the handle.
When Eve reads the history of the feud it is written to mimic the Hatfield & McCoy feud, e.g., started over a pig then moved on to property damage and killings.
The ring-tone on Mandy's cell phone is the "Pie Rack" song from Guess Who's Coming to Dinner (2011).