Last name Jonker-De Groot (Jonker-De Groot 
) , all over the world, is an extremely rare family name. The family name Jonker-De Groot is habitual in Western Europe, particularly Netherlands, where it is a very rare surname. Parts of the name also exists independently as a last name Jonker.
| VARIANT | COUNTRY |
|---|---|
| Jonker-De Groot | Netherlands |