Complex sentence: It is not clear how he became the owner of the Tipton, because London mentions many times that her father bought the hotel while, in a few episodes, it is said that Tipton's ancestors owned the hotel before he did.
Split into simpler sentences: It is not clear how he became the owner of the Tipton, because London mentions many times that her father bought the hotel. However, in a few episodes, it is said that Tipton's ancestors owned the hotel first before he did.