the imperial throne

succession, accession, inheritance

succeed to, accede to, inherit

qualifications

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

eligible, qualified

eligibility, qualification (possessing a license etc.,)

(programming, object-oriented programming) multiple inheritance