Across
Grand Principality of Russia from the 13th century and once a name for Russia generally (7) See 24 across Historical term for a Mongol ruler (4) Last name of Germany's "Red Baron", ace pilot in the First World War (10) Members of the dynasty that ended with the death of King John of England (8) One of the three social orders of pre-revolutionary France: nobility, clergy or the people generally (6) English literary family, sister and two (less well-known) brothers, prominent in first half of 20th century (7) Short form of the term for The abbreviation used by the Romans of their own state, translated as "The Senate and People of Rome" (4) The "final solution" to the "Jewish question" was planned at a conference here in January 1942, led by Reinhard Heydrich (7) Germanic invaders of post-Roman Britain (6) Historical novelist, author of eg (8,7) George B___, Union commander in American Civil War (9) This Spanish river was set as the boundary between Roman and Carthaginian occupations (4) Epithet of Æthelred II, alluding to the "bad counsel" he got (7) George___, American inventor of the Kodak box camera in 1888 (7)