First-born @ sons enjoyed certain special privileges Deuteronomy:21:17; Genesis:25:23Genesis:25:31, 34; 49:3; 1Chronicles:5:1; Hebrews:12:16; Psalms:89:27). (See BIRTHRIGHT.) The "first-born of the poor" signifies the most miserable of the poor Isaiah:14:30). The "church of the first-born" signifies the church of the redeemed. The destruction of the first-born was the last of the ten plagues inflicted on the Egyptians Exodus:11:1-8Exodus:12:29-30). Menephtah is probably the Pharaoh whose first-born was slain. His son did not succeed or survive his father, but died early. The son's tomb has been found at Thebes unfinished, showing it was needed earlier than was expected. Some of the records on the tomb are as follows: "The son whom Menephtah loves; who draws towards him his father's heart, the singer, the prince of archers, who governed Egypt on behalf of his father. Dead."
First-born, Sanctification of the @ A peculiar sanctity was attached to the first-born both of man and of cattle. God claimed that the first-born males of man and of animals should be consecrated to him, the one as a priest Exodus:19:22-24), representing the family to which he belonged, and the other to be offered up in sacrifice Genesis:4:4).