Exhibit 21
CERTAIN SUBSIDIARIES OF MARKEL CORPORATION
| Subsidiary |
State or Other Jurisdiction of Incorporation or Organization | |
| Essex Insurance Company | Delaware | |
| Markel Insurance Company | Illinois | |
| Markel American Insurance Company | Virginia | |
| Shand/Evanston Group, Inc. | Virginia | |
| Evanston Insurance Company |
Illinois | |
| Gryphon Holding Inc. | Delaware | |
| Associated International Insurance Company |
Illinois | |
| Deerfield Insurance Company |
Illinois | |
| Markel Ventures, Inc. | Virginia | |
| Markel Properties, LLC | Virginia | |
| Terra Nova (Bermuda) Holdings Ltd. | Bermuda | |
| Markel International Limited |
England | |
| Markel International Insurance Company Limited |
England | |
| Markel Capital Limited | England |