Maternal Grandfather / Maternal Grandmother (D) - populist, working class union Democrats
Paternal Grandmother (R) / Paternal Grandfather (I) - working class Republicans
Vermont/Connecticut/Massachusetts/California/Rhode Island/New York/Delaware/Maryland would literally vote for a democratic cat before they would vote republican, at least on the presidential level. Oklahoma/Arkansas/Tennessee/Alabama/Texas (at least for now)/Louisiana/Kentucky/West Virginia would literally vote for a republican cat before they would vote democratic, at least on the presidential level.