Export from Blogger to Grav

From my reading it seems like you can export Blogger posts as an XML feed and the Jekyll scripts convert those to static HTML files. Would I then need to convert that once again (how?) to Markdown and YAML before it would be usable in Grav?

I have no experience with any of the tools or coding for that matter, so just wondering whether I’m shooting myself in the foot by trying to migrate to Grav.