This is an excerpt from Le Menagier de Paris
(France, 1393 - Janet Hinson, trans.)
The original source can be found at
David Friedman's website
Note that Monseigneur de Paris had three squires of his people to serve him, and was served alone and with covered dishes. And the President, one squire, and was served alone but from uncovered dishes.
Item, by order of the said President, the King's Procurator was seated above the King's Advocate.