They should ornament the castle walls where you regale the country nobles.
One must use tact in the selection of this family gallery.

There must be no exaggeration.

Do not look too high.

Do not claim as a founder of your race a knight in armor hideously painted, upon wood, with his coat of arms in one corner of the panel.

Bear in mind the date of chivalry.
Be satisfied with the head of a dynasty whose gray beard hangs over a well-crimped ruff.