However, critics of the move say the law is racist and question the role of genetics as a basis for citizenship of France, or indeed any nation.
Immigrant family members older than 16 would be required to undergo a test in their country of origin and also to show a good knowledge of French language and the culture of France.
The would-be immigrants must also demonstrate how their family in France could support them and prove that they could earn at least the minimum wage for the country.
The French government, as a measure preventing any possible discrimination against those who are too poor to afford the tests, will now pay for the DNA tests it has been reported.
