And thy servant my father said unto us, Ye know that my wife bare me two sons:
We have here a most ingenious and pathetic speech which Judah made to Joseph on Benjamin's behalf, to obtain his discharge from the sentence passed upon him. Perhaps Judah was a better friend to Benjamin than the rest were, and more solicitous to bring him off; or he thought himself under greater obligations to attempt it than the rest, because he had passed his word...
Commenting on Genesis 44:18-34
And thy servant my father said unto us,.... When thus pressed to let Benjamin go with them: ye know that my wife bare me two sons; Rachel, by whom he had Joseph and Benjamin, and whom he calls his wife, she being his only lawful wife; Leah was imposed upon him, Gen 29:20; and the other two were concubines, Gen 30:4.
And thy servant my father said unto us, Ye know that my wife bare me two [sons]: (f) Rachel bore to Jacob, Joseph and Benjamin.