Should the dynastic male line of the Wittelsbachs become extinct (a highly unlikely event, since members are no longer held to any marital standard), would the L÷wensteins take over? Or would succession in the royal house pass to a female, since the semi-Salic presumably applies?
BTW: were the dukes IN Bavaria in the royal line of succession? If so, one presumes that they would have followed the princes of Bavaria, but preceded the princes of L÷wenstein-Wertheim-Rosenberg ...
I understand that the royal branch of the house of Wittelsbach originated with Maximilian I Joseph, the elector-turned king (known simply as King Maximilian I of Bavaria). The ducal branch was represented by his namesake, Duke Maximilian Joseph in Bavaria (agnatically a third cousin, once removed, but a great-nephew through a sister), who married his daughter Ludovika. They would become parents of Empress Elisabeth of Austria.
The reason for my asking is that according to a biography, Sisi was made to renounce her succession rights to the kingdom, when becoming betrothed to Emperor Franz Joseph. One presumes that the renunciation applied only to her male descendants in the male line, for the fact is that some of her descendants through her daughters ended up marrying into the house of Wittelsbach -- and if you will, the royal branch.
Evidently the royal line of the Wittelsbachs continued through King Ludwig I, the sole representative of the said branch of the house. His younger brother (Prince Karl) married morganatically and fathered only daughters but no son. His half-brothers (born to the second marriage of his father, King Maximilian I) both died in childhood.
But while the royal branch of the Wittelsbachs survives, as King Ludwig I still has male-line descendants living today, the ducal branch appears on the verge of extinction -- unless Prince Max, Duke in Bavaria, is able to adopt an heir (after all, he himself had been adopted by a relative of that branch of the house).
Who would he adopt as his heir, should this happen?