Clearwater is notoriously neutral. And the other four founding families have always hated them. Wellson and Pullman are the two other neutral families, as their houses are right on the border of left and right side.

Bold: Founding Family
Itallic: Non Founding Family

Left Side:
Parsons'
Listons
Wilsons
Corsens
Adams'
Tanners
Buckinhams
Westwards
Pullmans

Right Side:
Raelons
Rosens
Wellsons
Legynds
Graysons
Hudsons
Carsons
Wrights
Aunins
Booths
Becketts