ian . ▁ ▁The ▁Hon . ▁S ack ville ▁Pel ham ▁( 1 8 8 8 – 1 9 4 8 ), ▁who ▁married ▁Nancy e ▁Bro ck le h urst ▁( d . ▁ 1 9 7 7 ), ▁a ▁daughter ▁of ▁Alfred ▁Bro ck le h urst ▁( bro ther ▁of ▁John ▁Bro ck le h urst , ▁ 1 st ▁Baron ▁R anks borough ) ▁and ▁Florence ▁Little ▁( d augh ter ▁of ▁Gen . ▁Sir . ▁Arch ib ald ▁Little ). ▁ ▁The ▁Hon . ▁D ' Ar cy ▁Francis ▁Pel ham ▁( 1 8 9 2 – 1 8 9 2 ), ▁who ▁died ▁in ▁inf ancy . ▁ ▁The ▁Hon . ▁Marcus ▁Herbert ▁( 1 8 9 3 – 1 9 6 6 ), ▁who ▁married ▁Pam ela ▁Douglas - P enn ant ▁( 1 8 9 6 – 1 9 6 8 ), ▁a ▁daughter ▁of ▁Edward ▁Douglas - P enn ant , ▁ 3 rd ▁Baron ▁Pen rh yn ▁and ▁Hon . ▁Bl anche ▁Georg iana ▁Fitz Ro y ▁( third ▁daughter ▁of ▁Charles ▁Fitz Ro y , ▁ 3 rd ▁Baron ▁South am pton ). ▁Pam els ▁was ▁a ▁sister ▁and ▁co - he ir ess ▁of ▁Hugh ▁Douglas - P enn ant , ▁ 4 th ▁Baron ▁Pen rh yn . ▁ ▁She ▁died ▁of ▁sleep ing ▁sick ness ▁at ▁Bro ck les by ▁on ▁ 1 7 ▁November ▁ 1 9 2 6 . ▁Her ▁titles ▁were ▁inherited ▁by ▁the ▁el dest