Dict: strongs - firstborn

Strongs:

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

H1062 @ בּכרה בּכורה bekôrâh bekôrâh {bek-o-raw'} bek-o-raw' Feminine of H1060; the firstling of man or beast; abstractly primogeniture: - {birthright} firstborn (-ling).

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

H1069 @ בּכר bâkar baw-kar' A primitive root; properly to burst the {womb} that {is} (causatively) bear or make early fruit (of woman or tree); also (as denominatively from H1061) to give the birthright: - make {firstborn} be {firstling} bring forth first child (new fruit).

H1121 @ בּן bên bane From H1129; a son (as a builder of the family {name}) in the widest sense (of literal and figurative {relationship} including {grandson} subject6 {nation} quality or {condition} {etc.} (like {H1} {H251} etc.): - + {afflicted} {age} [Ahoh-] [Ammon-] [Hachmon-] {[Lev-]ite} [anoint-]ed {one} appointed {to} (+) {arrow} [Assyr-] [Babylon-] [Egypt-] {[Grec-]ian} one {born} {bough} {branch} {breed} + (young) {bullock} + (young) {calf} X came up {in} {child} {colt} X {common} X {corn} {daughter} X of {first} + {firstborn} {foal} + very {fruitful} + {postage} X {in} + {kid} + {lamb} (+) {man} {meet} + {mighty} + {nephew} {old} (+) {people} + {rebel} + {robber} X servant {born} X {soldier} {son} + {spark} + {steward} + {stranger} X {surely} them {of} + tumultuous {one} + {valiant[-est]} {whelp} {worthy} young ({one}) youth.