Herbert Volkmann on artnetYou are most likely referring to Hans Richard von Volkmann, often referred to as simply Hans Volkmann or Hans von Volkmann. He was a German painter and illustrator born in Halle, germany in 1860 (d. 1927). He was noted for his landscapes, which were primarily of undramatic, pastoral secnes of fields and villages. He was also an illustrator of children's books. You can see a selection of his work on Wikimedia Commons by searching for "Hans von Volkman".
Robert Llewellyn is 55 years old (birthdate: March 10, 1956).
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Robert Volkmann died on October 30, 1883 at the age of 68.
Robert Volkmann has written: 'Briefe'
Robert Volkmann was born on April 6, 1815.
Robert Volkmann was born on April 6, 1815.
Robert Volkmann died on October 30, 1883 at the age of 68.
Jacob Volkmann was born in 1980.
Alfred Wilhelm Volkmann was born in 1801.
John E. Volkmann was born in 1905.
Wilhelm Fridolin Volkmann was born in 1821.
Wilhelm Fridolin Volkmann died in 1877.
Alfred Wilhelm Volkmann died in 1877.
Richard von Volkmann was born in 1830.