Domitian become Roman Emperor today. Last of The Flavian Dynasty, Domitian – while restructuring Roman Coinage within The Empire, was considered a Tyrant by his Subjects. He sought to control Roman Morality and even Public thought. A persecutor of early Christians, his “memory” (upon his death) – was officially declared “void” by The Roman Senate.
Similar to Succession Arms, Arms of Descent are the direct issue to 1st born male heirs to a Title or Office. An example would be a Duke or Earl's Son and “Heir” (not Apparent).