Complex sentence: Recognising the danger that the Time Turner poses, Scorpius and Albus attempt to destroy it, but they are taken captive by Delphi, who is revealed to not be Amos's niece, but the daughter of Voldemort and Bellatrix Lestrange.
Split into simpler sentences: Recognising the danger that the Time Turner poses, Scorpius and Albus attempt to destroy it, but they are betrayed by Delphi, who takes them captive. She is revealed to not be Amos's niece, but the daughter of Voldemort and Bellatrix Lestrange.