Cognomen Glastra (Glastra 
) , throughout the world, is a rare surname. The family name Glastra is characteristic of Netherlands, where it is quite a rare surname, Greece, where it is a rare surname, and Ireland. In absolute terms, the name is most common in Netherlands, Greece, and Argentina.
| VARIANT | COUNTRY |
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| Glastra | Greece, Argentina, Ireland, United States, Netherlands |
| hendricus johannes glastra Dutch photographer, NL (b. 1868) |
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| geri glastra (b. 1945) |
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| hendrik sitze glastra Quartermaster in the Colonial Navy, NL |
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| roderick glastra NL (b. 1971) |
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| rob glastra |
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