Dict: strongs - eldest

Strongs:

H1060 @ בּכור bekôr bek-ore' From H1069; firstborn; hence chief: - eldest ({son}) first-born (-ling).

H1067 @ בּכּירה bekîyrâh bek-ee-raw' Feminine from H1069; the eldest daughter: - firstborn.

H7223 @ ראשׁן ראשׁון ri'shôn ri'shôn {ree-shone'} ree-shone' From H7221; {first} in {place} time or rank (as adjective or noun): - {ancestor} (that were) before ({-time}) {beginning} {eldest} {first} fore [-father] ({-most}) former ({thing}) of old {time} past.