Sentence:  Seeing him in that condition , and about to enter the hall where the King , the Queen , the whole royal family and all the <WSD>members</WSD> of the highest aristocracy would be present , Grimm and the Abbe Raynal and others tried to stop him . 
Meaning of the word marked with <WSD> tags:  one of the persons who compose a social group (especially individuals who have joined and participate in a group organization)