Rashi on Genesis 47:25/רש"י על בראשית מ״ז:כ״ה

1נמצא חן LET US FIND FAVOUR — [IN THE EYES OF MY LORD] in that you should do for us as you have said.

2והיינו עבדים לפרעה AND WE SHALL BE PHARAOH’S SERVANTS, paying him this tax annually.