Gad and Asher.
Zilpah was the handmaid of Leah, a wife of Jacob (Genesis 29:24). She bore two of Jacob's sons, Gad and Asher (Gen. 35:26).
Genesis 35:22-26 - Now the sons of Jacob were twelve: the sons of Leah were Reuben, Jacob's firstborn, and Simeon, Levi, Judah, Issachar, and Zebulun; the sons of Rachel were Joseph and Benjamin; the sons of Bilhah, Rachel's maidservant, were Dan and Naphtali; and the sons of Zilpah, Leah's maidservant, were Gad and Asher. These were the sons of Jacob who were born to him in Padan Aram. [NKJV]
Reveal from the twelve sons of Jacob, by Jacob's last words to his twelve sons in Genesis 49:
They were the sons of Isaac Jacob and Esau.
They are Esau and Jacob
Joseph's brothers were the sons of Jacob (also known as Israel), who are the heads of the 12 tribes of Israel. As written in Genesis 35: "Jacob had twelve sons: The sons of Leah: Reuben the firstborn of Jacob, Simeon, Levi, Judah, Issachar and Zebulun. The sons of Rachel: Joseph and Benjamin. The sons of Rachel's servant Bilhah: Dan and Naphtali. The sons of Leah's servant Zilpah: Gad and Asher."
Asher was one of Jacob's 12 sons (Genesis ch.30).
Genesis 35:22-26New King James Version (NKJV) 22 And it happened, when Israel dwelt in that land, that Reuben went and lay with Bilhah his father's concubine; and Israel heard about it.Jacob's Twelve SonsNow the sons of Jacob were twelve: 23 the sons of Leah wereReuben, Jacob's firstborn, and Simeon, Levi, Judah, Issachar, and Zebulun; 24 the sons of Rachelwere Joseph and Benjamin;25 the sons of Bilhah, Rachel's maidservant, were Dan and Naphtali; 26 and the sons of Zilpah, Leah's maidservant, wereGad and Asher. These were the sons of Jacob who were born to him in Padan Aram.
Jacob and his entire family went to Egypt (Genesis ch.45-46).
Gen:35:22-26: And it came to pass, when Israel dwelt in that land, that Reuben went and lay with Bilhah his father's concubine: and Israel heard it. Now the sons of Jacob were twelve:23: The sons of Leah; Reuben, Jacob's firstborn, and Simeon, and Levi, and Judah, and Issachar, and Zebulun:24: The sons of Rachel; Joseph, and Benjamin:25: And the sons of Bilhah, Rachel's handmaid; Dan, and Naphtali:26: And the sons of Zilpah, Leah's handmaid; Gad, and Asher: these are the sons of Jacob, which were born to him in Padan-aram.
By the sons names.
Shechem, the son of Hamor. He was a Canaanite prince. Genesis ch.34.