Add block from Luma parent into child theme

I’m using a custom child theme with Luma as the parent, I have a custom page layout xml file and I’d like to include a block that’s defined in the parent theme:

Adding the above into a in my custom.xml page layout file does nothing, seeing as I’m not looking to modify the parent theme block, do I have to copy title.phtml to my child theme and use that?

If that’s the case so be it, but if I can add unmodified parent blocks without duplicating their files that would be ideal, as I have many parent blocks to add to many custom page layouts.

I’m hoping I just need to change the “template” and/or “class” parameters in the code above to achieve this.

Note that my own custom template blocks inside my child theme folder show up as expected in my custom page layouts, so I don’t believe I’ve misidentified this issue.