Let it be known to all and sundry that (name of recipient), having twice reigned over these Eastern lands, being Crowned first upon (date of first Coronation) and yet again on (date of second Coronation), and having borne the mantle of Consort with dignity and grace, has thereby earned the esteemed and worthy title of Duke/Duchess of Our realm. We, (King’s name), rex, and (Queen’s name),
do therefore most joyfully invest him/her as Duke/Duchess (name of recipient), with
all the rights, dignities, and honors appertaining thereunto. In witness
whereof We set Our Hand this (number) day of (month), anno Societatis (year) at
(event name) in Our (name of host group).
King’s signature space Queen’s signature space
[Source: East Kingdom College of Scribes Handbook (pdf)]