Without a coat of arms.

Not (yet) raised to the rank of knight; not granted a knighthood.

Not invested with dignity or title.

Without a crest; not bearing a crest.

Not raised (in various senses).

Not having the status of a lord; not granted the title and status of a lord. Also figurative.

Not provided with a title.

Not distinguished by a title.

(un-, prefix1 affix 2.)

(un-, prefix1 affix 2.)

(un-, prefix1 affix 2.)

(un-, prefix1 affix 3.)

Having no title (in various senses of title, n.); untitled.