When Rachel saw that she wasn’t having any children for Jacob, she became jealous of her sister. She pleaded with Jacob, “Give me children, or I’ll die!”
And Joseph filled their plates with food from his own table, giving Benjamin five times as much as he gave the others. So they feasted and drank freely with him.
“Suppose a man has two wives, but he loves one and not the other, and both have given him sons. And suppose the firstborn son is the son of the wife he does not love.