will the passphrase be required to make use of the prevailing Pockets inside the multisig (to ship, as an example)?

In case you do not select to signal with the Trezor’s key, then no. Given that you’ve got 2 grasp personal keys out of the whole 3, you do not have to entry the Trezor one, and thus, no have to sort the passphrase. Nevertheless, if you wish to spend utilizing a signature from Trezor, you will want the passphrase, as a result of grasp personal keys with a passphrase aren’t saved within the machine.

Quoting wiki.trezor.io/Passphrase:

The passphrase is just not saved anyplace on the machine. It is just used quickly everytime you enter it.

If I don’t need the passphrase to be required, however have funds on the prevailing pockets already, how would I am going about shifting the funds and creating the multisig with these 3 wallets, the place no passphrase is required for that current pockets?

Undecided I perceive what you imply right here. If you wish to transfer funds out of your 2-of-3 multi-sig (with the passphrase) to a 2-of-3 multi-sig (with out the passphrase) you needn’t entry the Trezor, as I’ve stated above.