I tried these with Corrin and Erais, but I still can't get it to work out to 28 points. I will certainly change the PrRC (PHB "Lite") if someone can demonstrate how it works.
Corrin /PHBLite/3.5+Revinor
Str 14, +7, +6
Con 12, +4, +4
Dex 10, +2, +2 (+2 halfling adjustment excluded)
Int 9, +1...