On Fri, 6 Dec 2019 12:58:47 -0500
Michael Orlitzky <mjo@gentoo.org> wrote:

>   $ git rebase -i <hash-of-commit-before-that>
> 
> to do a rebase starting at the one you'd like to fix.


Or, if you know the hash of the faulty commit, you can do:

    $ git rebase -i DEADBEEF^1

( 1st parent of commit DEADBEEF )

Which absolves you from needing to determine the parent commit manually.

I believe 

    $ git rebase -i DEADBEEF~24

Is also valid for "24th ancestor of commit DEADBEEF"