Leonard Gyllenhaal
Swedish entomologist
Leonard Gyllenhaal was a Swedish nobleman, military officer and entomologist. Wikipedia
Born: December 3, 1752, Sweden
Died: May 13, 1840 (age 87 years), Skaraborg County
Siblings: Johan Abraham Gyllenhaal
Grandchild: Anders Leonard Gyllenhaal
Children: Fredrik Leonard Gyllenhaal
Parents: Hans Reinhold Gyllenhaal and Anna Catharina Wahlfelt
Spouse: Anna Hård af Torestorp (m. 1788–1840)