Jacob. Jacob's faith was manifested by his blessing each of Joseph's sons, putting Ephraim first according to God's will. See Gen_48:5-20,
both = each of.
sons. Greek. huios.App-108.
worshipped. Greek. proskuneo.App-137.
upon. Greek. epi.App-104. Jacob's worship was because he had just secured Joseph's promise that he would not bury him in Egypt but in Machpelah, thus enabling him to express his confidence in God's promises. This is recorded in Gen_47:31, before the blessing of Joseph's sons.