Family name Baldwin (Baldwin 
, ボールドウィン, Болдуин 
) , around the globe, is a widespread last name. The last name Baldwin is habitual in the United Kingdom, where it is quite a common surname, the United States, and Guernsey (explore the name in all countries). Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and Australia. Very seldom, Baldwin is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Baldwin | Australia, Canada, United States, New Zealand, United Kingdom |
| Болдуин | Russia |
| בולדווין | Israel |
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baldwin ii, count of hainaut Count of Hainaut (1056-1098), TR (b. 1056) |
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| baldwin i of guînes (1038-1091) (b. 1038) |
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baldwin iv, count of hainaut count of Hainaut from 1120 to his death (b. 1108) |
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baldwin Abbot of Forde; Bishop of Worcester; Archbishop of Canterbury, GB (b. 1125) |
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| baldwin iii z hainaut Count of Hainaut (1088-1120) (b. 1088) |
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| baldwin de redvers, 1st earl of devon English noble, GB (b. 1100) |
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| baldwin fitzgilbert 11th-century Norman nobleman (b. 1100) |
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| baldwin of ibelin noble (b. 1133) |
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| baldwin ii, count of guînes 12th-13th century French nobleman (b. 1135) |
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| baldwin of antioch Frankish knight (b. 1150) |
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| baldwin de redvers English noble (b. 1160) |
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| baldwin ii van holland Bishop of Utrecht (b. 1200) |
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| baldwin de redvers, 6th earl of devon English noble (b. 1216) |
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| baldwin de redvers, 7th earl of devon English noble, GB (b. 1236) |
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| baldwin of ibelin, bailli of jerusalem (1245-1286) (b. 1245) |
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