בראשית כד:מט פירוש: רש״י, רשב״ם, ספורנו ורד״ק

על ימין TO THE RIGHT HAND — to take a wife of the daughters of Ishmael.

על ימין או על שמאל , to other relatives of his family.

"And now if ye will deal kindly" - that in order to satisfy my master, nullify your desires and agree to send your daughter to a faraway land, and don't be concerned about acquiring relatives in your own land through her.