Family name Betham (Betham 
) , worldwide, is quite a rare last name. The surname Betham is habitual in New Zealand, where it is quite a rare surname, Australia, where it is a rare surname, and Ireland. In absolute terms, it is the most numerous in India, the United States, and Australia. Very seldom, Betham is the forename as well as the last name.
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| Betham | United Kingdom, United States, New Zealand, India, Australia |
| thomas de betham English politician (b. 1201) |
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| john betham English priest (b. 1642) |
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| john betham Peerage person ID=27213 (b. 1670) |
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| edward betham British scholar (b. 1707) |
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mary matilda betham English poet and miniature painter (1776-1852), GB (b. 1776) |
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| william betham British cleric and antiquarian (b. 1749) |
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| william betham Ulster King of Arms, IE (b. 1779) |
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asa betham Union Navy Medal of Honor recipient, US (b. 1838) |
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cecilia betham Irish archer, GB (b. 1843) |
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| emma eliza betham (1858-1936) (b. 1858) |
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| geoffrey betham British diplomat (1889-1963). Minister to Nepal 1938-1944 (b. 1889) |
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| geoffrey betham English cricketer and British Indian Army officer (1889-1962), IN (b. 1889) |
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| gustav betham politician (1915-1984), WS (b. 1915) |
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peter betham Australian rugby union player, NZ (b. 1989) |
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| monty betham Samoan boxer, NZ (b. 1952) |
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