Gen Jones is more of a "microgeneration" straddling the gray area between Boomers and Gen X. The same way "Xennials" straddle the cusps of Gen X and Gen Y, and "Zillennials" straddle the cusps of Gen Y and Gen Z:

https://medium.com/indian-thoughts/skimming-the-generational-fringes-bb0f602b1d8e