Question: The son of who was a German botanist, horticulturist, and microscopist, who joined the Schleswig-Holstein army to fight the first round of military conflict in southern Denmark and northern Germany rooted in the Schleswig-Holstein Question?
Sentence (from "Johannes Groenland"): Johannes Groenland (also spelled Grönland and called "Jean Groenland," 1824 - 1891) was a German botanist, horticulturist, and microscopist.
Relevant evidence: Yes