Quotation_auto zu Bereschit 25:38

The field that Abraham bought from the children of Chet etc --- R Tanchuma said: from the burial of Sarah to the burial of Abraham was 38 years...... it comes to teach you that all who gave kindness with Sarah merited to give kindness with Abraham. R Shmuel bar Nachman said Shem and Ever were proceeding before [Abraham's] deathbed and the saw which place to direct Abraham our father and they buried him in his [specific] compartment. And it was after death of Abraham, Elokim blessed Isaac.