Start in C major, parallel minor is C minor, relative major is E-flat major, parallel minor is E-flat minor, enharmonic respelling is D-sharp minor (which has 6 sharps).
E Minor is the relative minor to G Major.
E minor.
G# minor
The relative major key of Gb minor is Bbb (double-flat). However to make life easier, one could just say the minor key is F# minor and then the relative major would be A.
The relative major to c minor is Eb major.
The relative major to C minor is E-flat major.
The relative minor of E major is C# minor.
The relative minor of A major is F# minor.
Not sure what "greewhat" is but the relative minor of Eflat major is C minor.
C major
"That would be A minor. Go a minor third below the tonic of the major scale to find the relative minor." Technically, there is no relative harmonic major to the key of C Major. The relative minor scale of C Major would the natural minor scale of A. A harmonic minor scale raises the 7th note of the scale a half step, giving us G#, which is not in the key of C Major.
The relative key is the one with the same key signature. For C major, it's A minor.
C minor
Start in C major, parallel minor is C minor, relative major is E-flat major, parallel minor is E-flat minor, enharmonic respelling is D-sharp minor (which has 6 sharps).
The relative minor of Eb Major is C minor.
The C major scale and its relative minor, the A minor scale. C Major.