Genesis
King James Version (KJV)

“And after that came his brother out, and his hand took hold on Esau's heel; and his name was called Jacob: and Isaac was threescore years old when she bare them.”
King James Version (KJV)
25:26 His hand took hold on Esau's heel - This signified, Jacob's pursuit of the birth - right and blessing; from the first he reached forth to have catched hold of it, and if possible to have prevented his brother. His prevailing for it at last: that in process of time he should gain his point. This passage is referred to #Hos 12:3|, and from hence he had his name Jacob, a supplanter.