Jacob's name was changed from Jacob to Israel. This occurs in the 32nd chapter of Genesis when Jacob wrestles with a heavenly messenger all night long.
From Genesis 32:27-28 (KJV)
27 And he said unto him, What is thy name? And he said, Jacob.
28 And he said, Thy name shall be called no more Jacob, but Israel: for as a prince hast thou power with God and with men, and hast prevailed.
Jacob's name was changed to Israel. The 12 tribes of Israel, come from Jacob and his wifes Leah, Rachael, and their servants who bore children of Jacob's seed unto them. The song that goes 12 sons had Father Abraham, is off a generation or two, Abraham had one son from his wife (Sarah's servant) and Sarah bore him a son in their old age, Isaac, (whom Abraham was commanded to sacrifice) Isaac and Rebecca had a set of twins named Esau and Jacob. Jacob bought the birthright for a mess of pottage and was sent to a distant land. While there he worked for 7 years to marry Leah, and than another 7 for Rachael. Through this lineage the 12 tribes of Israel (Jacob) come to be...
IsraelGenesis 32:28 And he said, Thy name shall be called no more Jacob, but Israel: for as a prince hast thou power with God and with men, and hast prevailed.Jaye Jacobs's birth name is Emma Jacobs.
Billy Jacobs's birth name is Paul Jacobs.
Al Jacobs's birth name is Albert T. Jacobs.
Catherine Jacobs's birth name is Catherine Renee Jacobs.
Devery Jacobs's birth name is Kawennhere Devery Jacobs.
Glenn Jacobs's birth name is Glenn Thomas Jacobs.
Jessie Jacobs's birth name is Jessica Madison Jacobs.
Klaus Jacobs's birth name is Klaus J. Jacobs.
Seaman Jacobs's birth name is Seaman Block Jacobs.
Sunny Jacobs's birth name is Sonia Jacobs.
Sten Jacobs's birth name is Stephan Rumphorst.
Chyanne Jacobs's birth name is Tiffany Lanier.