Yes, still into dysfunctional Hohenzollern siblings...

My Brother Narcissus (5530 words) by Selena
Chapters: 1/1
Fandom: 18th Century CE RPF, 18th Century CE Frederician RPF
Rating: Teen And Up Audiences
Warnings: No Archive Warnings Apply
Relationships: Friedrich II von Preußen | Frederick the Great & Friedrich Heinrich Ludwig von Preußen (1726-1802), Michael Gabriel Fredersdorf & Friedrich II von Preußen | Frederick the Great, August Wilhelm von Preußen (1722-1758) & Friedrich II von Preußen | Frederick the Great, Francesco Algarotti/Friedrich II von Preußen | Frederick the Great, Friedrich Heinrich Ludwig von Preußen (1726-1802)/Marwitz the Page, Friedrich Heinrich Ludwig von Preußen (1726-1802) & Others
Characters: Friedrich II von Preußen | Frederick the Great, Friedrich Heinrich Ludwig von Preußen | Henry of Prussia (1726-1802), Michael Gabriel Fredersdorf, August Wilhelm von Preußen | Augustus William of Prussia (1722-1758), Friedrich Wilhelm von Grumbkow, Ernst Christoph von Manteuffel
Additional Tags: Dysfunctional Family, Brotherly Angst, Sibling Rivalry, Unresolved Emotional Tension, Unresolved Sexual Tension, Power Dynamics, Power Play
Summary:

In the summer of 1749, Frederick the Great figures out a way to deal with his rebellious younger brother Heinrich. It's been a long time coming.