Laban’s Many Daughters

Bilhah & Zilpah: maidservants of Rachel & Leah. What’s their story? How did Laban posses them, to give them to his daughters as wedding gifts?

The text doesn’t say, but Jewish tradition holds that they are Laban’s daughters w/ a second wife.

If it’s true, it appears that Laban pawned off ALL his daughters onto Jacob.