▁d yn astic , ▁then ▁his ▁son ▁Georg ▁Nikol aus , ▁Count ▁of ▁M eren berg ▁would ▁have ▁succeeded ▁as ▁Head ▁of ▁the ▁House ▁of ▁N ass au ▁upon ▁William ▁IV ' s ▁death . ▁Georg ▁Nick ol aus ▁would ▁have ▁thus ▁become ▁the ▁reign ing ▁Grand ▁Duke ▁of ▁Luxemb ourg . ▁ ▁However , ▁his ▁m organ atic ▁birth ▁was ▁de emed ▁ins ur mount able , ▁despite ▁the ▁fact ▁that ▁he ▁had ▁married ▁a ▁daughter ▁of ▁Ts ar ▁Alexander ▁II ▁of ▁Russia . ▁In ▁ 1 9 0 7 , ▁William ▁IV , ▁obtained ▁passage ▁of ▁a ▁law ▁in ▁Luxemb ourg ▁confirm ing ▁the ▁ex clusion ▁of ▁the ▁M eren berg s ▁from ▁succession ▁to ▁the ▁grand ▁du cal ▁throne . ▁Georg ▁Nikol aus ' s ▁protest s ▁against ▁the ▁Luxemb ourg ▁Diet ' s ▁confirm ation ▁of ▁the ▁succession ▁rights ▁of ▁William ▁IV ' s ▁daughter , ▁Princess ▁Marie - Ad é la ï de , ▁were ▁expected ▁to ▁be ▁taken ▁up ▁by ▁the ▁Netherlands ▁and ▁by ▁the ▁Great ▁Pow ers ▁which ▁had ▁guaranteed ▁Luxemb ourg ' s ▁neutral ity ▁in ▁ 1 8 6 7 . ▁Non eth eless , ▁Marie - Ad é la ï de ▁did ▁succeed ▁her ▁father , ▁to ▁become ▁Luxemb ourg ' s ▁first ▁female ▁monarch , ▁in ▁ 1 9 1 2 . ▁ ▁She , ▁in ▁turn , ▁ab dic ated ▁in ▁favour ▁of ▁her ▁sister ▁Charlotte , ▁whose ▁descend ants ▁have ▁re igned ▁over ▁Luxemb ourg ▁since ▁then . ▁ ▁The