Genesis 7:8

7:8 Pairs ¹  of clean animals, of unclean animals, of birds, and of everything that creeps along the ground,

Genesis 33:2

33:2 He put the servants and their children in front, with Leah and her children behind them, and Rachel and Joseph behind them. ² 

Genesis 46:18

46:18 These were the sons of Zilpah, whom Laban gave to Leah his daughter. She bore these to Jacob, sixteen in all.

[7:8]  ¹ tn Heb “two two” meaning “in twos.”

[33:2]  ² sn This kind of ranking according to favoritism no doubt fed the jealousy over Joseph that later becomes an important element in the narrative. It must have been painful to the family to see that they were expendable.