Last name Oslac (Oslac 
, מלך) , all over the world, is a very rare cognomen. The family name Oslac is habitual in Northern America, particularly the United States, where it is an extremely rare surname.
| oslac of sussex King of Sussex in the 8th century (b. 700) |
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oslac of york Earl of york (b. 901) |
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| oslac von york (b. 950) |
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| oslac of hampshire Peerage person ID=102618 |
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