贵贱结亲的有皇族或贵族血统的人与地位较低的人之间缔结的合法婚姻的，此婚姻以较低地位的人及任何一个后代都不能分享皇族或贵族一方的头衔和封地为条件

• Of or being a legal marriage between a person of royal or noble birth and a partner of lower rank,in which it is agreed that no titles or estates of the royal or noble partner are to be shared by the partner of inferior rank nor by any of the offspring of the marriage.