ville ▁Fitz Ro y ▁Henry ▁Lane - F ox ▁died ▁un mar ried ▁in ▁ 1 8 7 9 ▁( before ▁their ▁father ' s ▁death ) ▁and ▁her ▁sister , ▁V io let ▁Herbert , ▁Count ess ▁of ▁Pow is , ▁later ▁suo ▁j ure ▁Baron ess ▁Dar cy ▁de ▁Kn ay th . ▁ ▁Her ▁mat ernal ▁grand par ents ▁were ▁Capt . ▁Regin ald ▁Cur te is ▁and ▁Frances ▁Mary ▁Reyn olds ▁( eld est ▁daughter ▁of ▁Lawrence ▁Reyn olds ▁of ▁Pa xt on ▁Hall ). ▁ ▁Tit les ▁In ▁ 1 8 8 8 , ▁the ▁count ess ' s ▁father ▁died ▁and ▁his ▁title ▁fell ▁into ▁ab ey ance , ▁but ▁the ▁ab ey ance ▁was ▁terminated ▁in ▁her ▁favour ▁four ▁years ▁later . ▁Ele ven ▁years ▁later , ▁in ▁ 1 9 0 3 , ▁the ▁bar ony ▁of ▁F au con berg ▁( a ▁title ▁which ▁had ▁been ▁in ▁ab ey ance ▁since ▁the ▁death ▁of ▁the ▁last ▁holder , ▁the ▁ 6 th ▁Baron ess ▁F au con berg ▁in ▁ 1 4 9 0 ) ▁was ▁also ▁granted ▁to ▁Mar cia . ▁The ▁House ▁of ▁L ords ▁also ▁agreed ▁that ▁her ▁father ▁held ▁the ▁bar ony ▁of ▁Dar cy ▁de ▁Kn ay th , ▁which ▁was ▁granted ▁to ▁Mar cia ' s ▁sister , ▁the ▁Count ess ▁of ▁Pow is , ▁at ▁the ▁same ▁time . ▁ ▁Due ▁to ▁the ▁titles ▁granted ▁to ▁her , ▁Mar cia ▁brought ▁ 1 5 3 ▁arm orial