A purchase money mortgage is one given as part of the transaction of purchase to the vendor of real estate for all or part of the purchase money or to a 3rd person who advances all or a part of the purchase money.
708.09 Annotation A purchase money mortgage executed at the time of delivery of the conveyance of legal title has priority, as to the property conveyed, over existing judgments and executions against the mortgagor-vendee, whether the mortgagee is the vendor or a 3rd party who furnishes the purchase price. Northern State Bank v. Toal, 69 Wis. 2d 50, 230 N.W.2d 153 (1975).