What year was Prince Henry of the Netherlands's mother born?
Prince Henry of the Netherlands (1820–1879): Prince William Frederick Henry of the Netherlands (Dutch: Willem Frederik Hendrik; 13 June 1820 – 14 January 1879) was the third son of King William II of the Netherlands and his wife, Grand Duchess Anna Pavlovna of Russia. Anna Pavlovna of Russia: Anna Pavlovna of Russia (Russian: Анна Павловна ; Dutch: "Anna Paulowna"; 18 January 1795 — 1 March 1865) was a queen consort of the Netherlands.
1795