Yes, that's the narrative that some Swiss family (benefactors) went and pressured +Lefebvre to include a Swiss, but ... did they want just any Swiss priest or did they single our Fellay in particular, and was it REALLY just because he was Swiss, and not because this family were trying to get some infiltrator into the episcopal ranks right out of the gate.
That's why I'd like to know more about who this family were. Unfortunately, +Lefebvre made some poor decisions under pressure at times ... and now we have that one family (tied to Roschilds) infiltrating SSPX via the agency of Krah.