I doubt the trip will ever come about as each of us seems content with our hands-off, albeit revered, relationship.
How did that come about?
Extinction may come about indirectly and even more surely.
When one branch of a family was admitted and one shut out we have an analogy to the patrician and plebeian Claudii, though the distinction had come about in quite another way.
If the later nobilitas of Rome had established an assembly in which every one who had the jus imaginum had a vote and none other, that would have been a real parallel to the shutting of the Venetian Great Council; for it would have come about through the working of causes which are essentially the same.