sons. Figure of speech Synecdoche (of the Part). Put for grandsons as well.
daughters. Also for granddaughters. The second vision, corresponding with that of Bethel: See Genesis 28:10-22.
Related Commentaries of Genesis 31:55
Genesis 31:55
55 And early in the morning Laban rose up, and kissed his sons and his daughters, and blessed them: and Laban departed, and returned unto his place.