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| Date from | Date to | Event | Source |
|---|---|---|---|
| 1733 | 1775 | In the service of Great Britain | ref:1257 |
| 8.1757 | Volunteered and marched as a First lieutenant on the alarm of 1757 | ref:1257 | |
| 1759 | Roby, First Lieutenant (Privateer) | ref:1257 | |
| 19.9.1775 | Captain | ref:719 | |
| 10.1775 | 4.12.1775 | Washington (10), Captain and Commanding Officer | BWAS-1714 |