It is in any case prohibited for the housekeeper to live at the same address as the client.
Family members up to the second degree are also legally prohibited from using service vouchers.
These are: partner, parents, parents-in-law, children, sons-in-law, daughters-in-law, brothers, sisters, grandchildren, grandfathers, grandmothers, sisters-in-law, brothers-in-law, stepsisters and stepbrothers.
The following family members are allowed to work for you using service vouchers: uncles, aunts, cousins (children of a brother or sister), great-grandparents and great-grandchildren. Here too, these persons may not live at the same address as you, the user.