Father Needs a Wife (1952) with Dieter Borsche and Ruth Leuwerik
Comedy (1952) by Harald Braun starring Dieter Borsche, Ruth Leuwerik, Bruni Löbel, Angelika Meissner, and Oliver Grimm.
Plot: Ulla and her three brothers have placed an ad themselves because "Father needs a wife." Their widowed father, plagued by constantly changing nannies, believes that the pretty model Susanne will respond to his ad and apply for a job as a housemaid.