Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
to be/bear firstborn
Usage: 1) to be born first 1a) (Piel) 1a1) to bear early, new fruit 1a2) to give the right of the firstborn 1a2a) to make as firstborn 1a2b) to constitute as firstborn 1b) (Pual) 1b1) to be born a firstling 1b2) to be made a firstling 1c) (Hiphil) one bearing her first child