Baron Mordaunt
The title was then inherited by the 5th Duke of Gordon in 1827 and when he died without legitimate issue in 1836 , the title became abeyant between his sisters ( Charlotte Lennox , Duchess of Richmond , Susan Montagu , Duchess of Manchester , Georgiana Russell , Duchess of Bedford , Louisa Cornwallis , Marchioness Cornwallis and Lady Madeline Palmer ) and their issue . 
<triplet> 5th Duke of Gordon <subj> Charlotte Lennox, Duchess of Richmond <obj> sibling <triplet> Charlotte Lennox, Duchess of Richmond <subj> 5th Duke of Gordon <obj> sibling