the firstborn and # 13_1CH_02_25 # And the sons of Jerahmeel the firstborn of Hezron were, Ram the firstborn, and Bunah, and Oren, and Ozem, [and] Ahijah. 
the firstborn and # 13_1CH_09_05 # And of the Shilonites; Asaiah the firstborn, and his sons. 
the firstborn and # 09_1SA_17_13 # And the three eldest sons of Jesse went [and] followed Saul to the battle: and the names of his three sons that went to the battle [were] Eliab the firstborn, and next unto him Abinadab, and the third Shammah. 
the firstborn and # 04_NUM_03_02 # And these [are] the names of the sons of Aaron; Nadab the firstborn, and Abihu, Eleazar, and Ithamar.