Last name Holtzclaw (Holtzclaw 
) , around the world, is quite a rare cognomen. The cognomen Holtzclaw is habitual in the United States, where it is a rare surname, Canada, where it is a very rare surname, and Australia.
| VARIANT | COUNTRY |
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| Holtzclaw | United Kingdom, Canada, Australia, Turkey, United States |
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james t. holtzclaw Confederate Army general and lawyer (1833-1893), US (b. 1833) |
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william henry holtzclaw educator, US (b. 1870) |
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henry j. holtzclaw American government official (b. 1897) |
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james holtzclaw American state representative in Idaho, US (b. 1975) |
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| henry fuller holtzclaw (b. 1921) |
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| holtzclaw bj researcher (b. 1935) |
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| bill holtzclaw American politician, US (b. 1964) |
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| hubert holtzclaw college basketball player (1985–1987) Northeastern |
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| daniel holtzclaw American rapist and police officer, US (b. 1986) |
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