You are correct. I don’t usually use the plugin either (Instead opting for poedit) but that was it, just needed to generate the mo file, now the FAQ. Two down, one to go. Let met me check on that…
In the child theme we can define whatever directory we want, we just have to put the files in the directory assigned in the load_child_theme_textdomain. I tough you already did this at the beginning of our conversation.