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| 1. | Charles (3rd Baron Baltimore ), 1637–1715, English colonial administrator in America: governor (1661–75) and proprietor (1675–89) of Maryland (grandson of George Calvert). |
| 2. | Sir George (1st Baron Baltimore), c1580–1632, British statesman: founder of the colony of Maryland. |
| 3. | his son, Leonard, 1606–47, first colonial governor of Maryland 1634–47. |