▁von ▁M eren berg , ▁a ▁title ▁without ▁territory , ▁as ▁she ▁was ▁not ▁leg ally ▁permitted ▁to ▁share ▁her ▁husband ' s ▁pr inc ely ▁title ▁or ▁rank , ▁even ▁though ▁his ▁family ▁had ▁ceased ▁to ▁be ▁her edit ary ▁r ul ers ▁when ▁the ▁kingdom ▁of ▁Pr uss ia ▁an nex ed ▁N ass au . ▁ ▁Through ▁P ush kin , ▁Natal ia ▁desc ends ▁from ▁Peter ▁the ▁Great ' s ▁African ▁prot ég é , ▁Abr am ▁Pet rov ich ▁G ann ib al . ▁Through ▁her ▁mother , ▁Natal ia ▁desc ends ▁from ▁the ▁C oss ack ▁leader ▁Prince ▁Pet ro ▁Dor os hen ko . ▁ ▁M embers ▁of ▁family ▁Their ▁surv iving ▁children ▁were : ▁▁ ▁Count ess ▁Soph ie ▁von ▁M eren berg ▁( 1 8 6 8 - 1 9 2 7 ). ▁In ▁ 1 8 9 1 , ▁she ▁married ▁Grand ▁Duke ▁Michael ▁Mih ail ov ich ▁of ▁Russia ▁( 1 8 6 1 - 1 9 2 9 ). ▁ ▁As ▁this ▁marriage ▁was ▁also ▁de emed ▁m organ atic , ▁she ▁was ▁not ▁allowed ▁to ▁share ▁her ▁husband ' s ▁titles ▁and ▁rank . ▁Instead ▁she ▁was ▁created ▁Count ess ▁de ▁Tor by ▁by ▁the ▁Grand ▁Duke ▁of ▁Luxemb ourg . ▁Her ▁issue ▁surv ives , ▁among ▁them ▁the ▁current ▁Mar qu ess ▁of ▁Mil ford ▁H aven . ▁ ▁Count ess ▁Alex andra ▁von ▁M eren berg ▁( 1 8 6 9 - 1 9 5 0 ). ▁She