In all the world, Selyf (Селив 
, Selyf 
) is an extremely rare boy's first name.
| VARIANT | COUNTRY |
|---|---|
| Селив | Russia |
| Selyf | United States |
| selyf ap cynan King of the Kingdom of Powys (b. 586) |
|
|
| manwgan ap selyf King of Powys, GB (b. 610) |
|
|
| nwyalen ach selyf 6c Welsh saint, GB |
|
Morgan, and Butterfield