Charles Ellicott Commentary Genesis 24:59

"And they sent away Rebekah their sister, and her nurse, and Abraham`s servant, and his men." — Genesis 24:59 (ASV)

Their sister. —Bethuel may have had other sons, though Laban only is mentioned.

Her nurse. —How dear Deborah was, first to Rebekah, and afterwards to Jacob, may be seen by the lamentation at her death (Genesis 35:8).