Cognomen Roucy (روسي 
, Русі 
, Roucy 
) , in the entire world, is quite a rare last name. The family name Roucy is habitual in Libya, where it is quite a rare surname, Iraq, and Algeria, where it is a rare surname. In absolute terms, the name is most common in Iraq, Algeria, and Sudan. Much less frequently, Roucy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| روسي | Sudan, Algeria, Egypt, Libya, Iraq |
| Русі | Ukraine |
| Roucy | France, United States |
|
ermentrude de roucy Noble lady and countess, FR (b. 959) |
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| gislebert de roucy count of Roucy (b. 951) |
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| brunon de roucy FR (b. 950) |
|
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| renaud of roucy count of Roucy (b. 1000) |
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félicie de roucy Queen consort of Aragon and Pamplone, FR (b. 1050) |
|
| marguerite de roucy (1045-1110) (b. 1045) |
|
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| hugues ier de roucy (1090-1160) (b. 1090) |
|
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| alain de roucy FR (b. 1172) |
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| jeanne de roucy, dame de roucy - 4 Sep 1459 |
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| manille de roucy Peerage person ID=405671 |
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| alix de roucy French noble |
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| ade de roucy Peerage person ID=709023 |
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| judith de roucy 990-1081 |
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| béatrix de roucy, dame de bomiers - Aft 1348 |
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| béatrix de roucy, dame de la suze-au-maine - 7 Nov 1328 |
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