Mikhail Speransky
…in the princely Cantacuzène family; the title was combined with that of the Cantacuzène. Mariya was, in turn, the grandmother of famed Russian general Prince Mikhail Cantacuzène. Speransky died in St. Petersburg on 23 February 1839. He is buried at the Tikhvinskoe (Tikhvin) Cemetery at the Alexander Nevsky Monastery; his tombstone…