וַיַּגֵּ֣ד לְיַעֲקֹ֔ב וַיֹּ֕אמֶר הִנֵּ֛ה בִּנְךָ֥ יוֹסֵ֖ף בָּ֣א אֵלֶ֑יךָ וַיִּתְחַזֵּק֙ יִשְׂרָאֵ֔ל וַיֵּ֖שֶׁב עַל־הַמִּטָּֽה׃
And one told Jacob, and said: ‘Behold, thy son Joseph cometh unto thee.’ And Israel strengthened himself, and sat upon the bed.
Read halakhic rulings (Jewish law) on Genesis 48:2: and classical halakhic sources.