§ 103. -When real estate mortgaged
At the time of such levy of execution, if such homestead or real estate is encumbered by mortgage, the value and location of the homestead shall be fixed as provided in section 102 of this title and thereupon the sale shall proceed in the same manner as when a right to redeem mortgaged lands is taken. Only such portion of the mortgage as is in excess of the value of such real estate, aside from such homestead, shall rest on such homestead.