Well stop trying to make this relationship work, pack your bag and run. If you are in this situation i hope it will get better for you! good luck.

Nope you were right, i forgot to add the old french part, thanks for the catch :)

Not in modern french but it was in old french :)

My best guess would be that saintclair’s prononciation was influenced by french, as in french the “t” is pronounced while st john might be more “english”, leading to the “t” being silent