"So, you've had your lovely reunion. Marvellous. May we know why you decided to visit this place just now?"
—Symmachus's portrait to Harry
Symmachus Potter, 13th Duke of Inverness (1693 - 1786) was a pure-blood wizard and a member of the noble branch of the Potter family. He was the son of Pelagius Potter and his wife Margaret. He would later marry Catherine Selwyn and the two would have a son called Procopius, who succeeded his father as Duke of Inverness.