Genesis 29:12

“And Jacob told Rachel, etc.] Or “had told” f1472 her; before he kissed her, and lift up his voice and wept, as Aben Ezra observes: that he [was] her father’s brother; his nephew by his sister, for such were sometimes called brethren, as Lot, Abraham’s brother’s son, is called his brother, (<011412>Genesis 14:12,14,16): and that he [was] Rebekah’s son; sister to her father, and aunt to her, and whose name and relation she doubtless knew full well: and she ran and told her father; leaving the care of her flock with Jacob; Rebekah, in a like case, ran and told her mother, (<012428>Genesis 24:28), which is most usual for daughters to do; but here Rachel runs and tells her father, her mother very…”

“Jacob told Rachel, &c.--According to the practice of the East, the term "brother" is extended to remote degrees of relationship, as uncle, cousin, or nephew.”