eldest
ˈɛldɪst
adjective
(of one out of a group of related or otherwise associated people) of the greatest age; oldest.
Swift left the company to his eldest son, Charles
oldest,first,firstborn,most grown up,big,biggest
adjective
(of one out of a group of related or otherwise associated people) of the greatest age; oldest.
Swift left the company to his eldest son, Charles
oldest,first,firstborn,most grown up,big,biggest