Answer: ELDEST

AnswerCrossword Clue
eldesthaving lived or existed for a specified time
ELDESTThe one in charge when the parents vacation, usually
ELDESTFirst among siblings
ELDESTInheritor under primogeniture
ELDESTPrimogeniture beneficiary
ELDESTHeir, at times
eldestthe oldest of a set of e.g. children
eldestshabby through age or use
eldesttime long past
eldestoldest
ELDESTMost aged
eldestof long standing
eldestformer; ancient
eldesthaving lived or existed for a long time
ELDESTSenior
ELDESTDestined to inherit the throne
ELDESTOne with only younger siblings
ELDESTSource of hand-me-downs
ELDESTFirst among progeny
ELDESTFirst-born, compared to the others
ELDESTIn position to inherit the throne, say
ELDESTLike Cain
ELDESTAdjective for Cain
ELDESTCain, e.g.
ELDESTLike a tribal leader, perhaps
ELDESTTribal leaders, maybe
ELDESTMeg, among the "little women"
ELDESTChild with responsibilities, traditionally
ELDESTHeir to the throne
ELDESTCain, for one
ELDESTFirst-born of siblings
ELDESTLike many an heir apparent
ELDESTChild often having special responsibilities
ELDESTFirst in line, say
ELDESTOf greatest age
ELDESTFirst in line to the throne
ELDESTFirst in line, in a way
ELDESTLike a firstborn child
ELDESTSeptic Flesh "The ... Cosmonaut"
ELDESTHeir apparent?