EXHIBIT 21
SUBSIDIARIES OF THE REGISTRANT
AS OF DECEMBER 31, 2006
FULL NAME OF SUBSIDIARY |
| PLACE OF INCORPORATION |
|
|
|
ESURANCE , INC. |
| DELAWARE, USA |
ESURANCE HOLDINGS (BERMUDA) LTD. |
| BERMUDA |
ESURANCE HOLDINGS INC. |
| DELAWARE, USA |
ESURANCE INSURANCE COMPANY |
| WISCONSIN, USA |
FOLKSAMERICA HOLDING COMPANY, INC. |
| NEW YORK, USA |
FOLKSAMERICA REINSURANCE COMPANY |
| NEW YORK, USA |
FUND AMERICAN COMPANIES, INC. |
| DELAWARE, USA |
FUND AMERICAN ENTERPRISES HOLDINGS, INC. |
| DELAWARE, USA |
FUND AMERICAN FINANCIAL SERVICES, INC. |
| DELAWARE, USA |
FUND AMERICAN HOLDINGS AB |
| SWEDEN |
FUND AMERICAN REINSURANCE COMPANY, LTD. |
| BERMUDA |
GUILFORD HOLDINGS, INC. |
| DELAWARE, USA |
HOMELAND INSURANCE COMPANY OF NEW YORK |
| NEW YORK, USA |
LONE TREE HOLDINGS LTD. |
| BERMUDA |
LONE TREE INSURANCE GROUP LTD. |
| BERMUDA |
MILL SHARES HOLDINGS (BERMUDA) LIMITED |
| BERMUDA |
ONEBEACON AMERICA INSURANCE COMPANY |
| MASSACHUSETTS, USA |
ONEBEACON HOLDINGS (GIBRALTAR) LIMITED |
| GIBRALTAR |
ONEBEACON HOLDINGS (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
ONEBEACON INSURANCE COMPANY |
| PENNSYLVANIA, USA |
ONEBEACON INSURANCE GROUP LLC |
| DELAWARE, USA |
ONEBEACON INSURANCE GROUP LTD. |
| BERMUDA |
PENNSYLVANIA GENERAL INSURANCE COMPANY |
| PENNSYLVANIA, USA |
SCANDINAVIAN REINSURANCE COMPANY LTD. |
| BERMUDA |
SIRIUS INSURANCE HOLDING SWEDEN AB |
| SWEDEN |
SIRIUS INTERNATIONAL INSURANCE CORPORATION |
| SWEDEN |
THE NORTHERN ASSURANCE COMPANY OF AMERICA |
| MASSACHUSETTS, USA |
WHITE MOUNTAINS ADVISORS LLC |
| DELAWARE, USA |
WHITE MOUNTAINS HOLDINGS (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WHITE MOUNTAINS HOLDINGS BERMUDA LTD. |
| BERMUDA |
WHITE MOUNTAINS INC. |
| DELAWARE, USA |
WHITE MOUNTAINS INTERNATIONAL S.A.R.L. |
| LUXEMBOURG |
WHITE MOUNTAINS RE FINANCIAL SERVICES LTD. |
| BERMUDA |
WHITE MOUNTAINS RE GROUP, LTD. |
| BERMUDA |
WHITE MOUNTAINS RE HOLDINGS, INC. |
| DELAWARE, USA |
WHITE MOUNTAINS RE UNDERWRITING SERVICES LTD |
| BERMUDA |
WHITE MOUNTAINS UNDERWRITING LIMITED |
| IRELAND |
WM ALAMEDA (GIBRALTAR) LIMITED |
| GIBRALTAR |
WM BECH (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WM BELVAUX (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WM CALETA (GIBRALTAR) LIMITED |
| GIBRALTAR |
WM CUMBERLAND (GIBRALTAR) LIMITED |
| GIBRALTAR |
WM FINDEL (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WM KEHLEN (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WM LAGUNA (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WM LINGER (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WM MERL (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WM OLM (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WM QUEENSWAY (GIBRALTAR) LIMITED |
| GIBRALTAR |
WM REULER (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WM VIANDEN (LUXEMBOURG) S.A.R.L. |
| LUXEMBOURG |
WMA HOLDINGS, INC. |
| DELAWARE, USA |
Certain other subsidiaries of the Company have been omitted since, in the aggregate, they would
not constitute a significant subsidiary.