וַיֹּ֛אמֶר עַבְדְּךָ֥ אָבִ֖י אֵלֵ֑ינוּ אַתֶּ֣ם יְדַעְתֶּ֔ם כִּ֥י שְׁנַ֖יִם יָֽלְדָה־לִּ֥י אִשְׁתִּֽי׃
And thy servant my father said unto us: Ye know that my wife bore me two sons;
Read kabbalistic (mystical) interpretation of Genesis 44:27: and classical mystical sources.