In 1818 , Margrave Wilhelm of Baden ( son of Grand Duke Karl Friedrich and 2nd wife Luise Karoline ) turned the property into a country chateau .
Head entity: margrave wilhelm of baden Q70589 3 4 5 6
Tail entity: luise karoline Q542719 17 18
Relation (head \u2192 tail): P25
Inverse relation (tail \u2192 head): P40