In order to create the first family structure we will go to:
Finance → Stock Control → Families.
We will press the "New" button to create a new family:
A window will appear where we can put an image if we want, the name of the family we want to belong to, as well as its properties ...
To be able to create the structure marks we will go to:
Finance → Stock Control → Brands
Where we will open the following window, with all the marks that we have registered.
We will click on the "New" button to create a new brand.
Where we will open the following window to fill the data.