en_tn/gen/24/59.md

So they sent their sister Rebekah

"So the family sent Rebekah"

their sister

Rebekah was Laban's sister. Alternate translation: "their relative" or "Laban's sister"

her female servant

This refers to the female servant who had fed Rebekah when she was a baby, cared for her when she was a child, and still served her.