Being the oldest (6)
I believe the answer is:
eldest
(Other definitions for eldest that I've seen before include "Firstborn; led set (anag.)" , "Most aged" , "Most advanced in age, led set (anag.)" , "most early in origin" , "Of greatest age" .)
I believe the answer is:
eldest
(Other definitions for eldest that I've seen before include "Firstborn; led set (anag.)" , "Most aged" , "Most advanced in age, led set (anag.)" , "most early in origin" , "Of greatest age" .)