Sir James, If I remember correctly, the Templar cross was a blood red Cross Potent.
But don't say that too loudly, or else we'll have a documentary crew from the History Channel down here....Dusting everything within a 5 mile radius of the Volunteer Fire department looking for Templar Symbols and fingerprints....
And Sir William, if you're especially attracted to the Hochmeister's insignia, then you could portray a member of his personal standard bearer. In that role you would have the right to bear his insignia with minor variations.
PS, your new name translates in Spanish to "Is William"
And I'm fine with someone doing Hospitaller. After all, the original Idea of the Teutonic Knights was a branch of the Hospitallers to be set up along Templar lines (Dedicated to war)
And I have nothing against the Black Hospitaller look, It's just only good for about 30 years historically.
Cool, I'm getting everyone to go Teutonic! YEEEES!