All the peers would then have voices, and would be judges as well of law as of fact.

But the bill against Delamere was not found till after the prorogation.

[40] He was therefore within the jurisdiction of the Court of the Lord High Steward.

This court, to which belongs, during a recess of Parliament, the cognizance of treasons and felonies committed by temporal peers, was then so constituted that no prisoner charged with a political offence could expect an impartial trial.

The King named a Lord High Steward.
The Lord High Steward named, at his discretion, certain peers to sit on their accused brother.