Ius Sanguinis, legal criterion in Latin that means " Right of blood ". It gives a person the right to their nationality with the simple fact of a "paternal-maternal" affiliation, that is, by descending from someone with a specific nationality, one already has the nationality of the person who was born. This concept opens the doors to a constant discussion around the global problem of emigration, and it has become customary to marry people from the target country in order to obtain nationality and, of course, that the children also possess it.
At the moment of birth, an immediate relationship with the parents is established, thus inheriting all the characteristics, both physical, chemical and also legal. The nature of nationality in different countries is determined according to the importance that it gives to the issue of emigration of people from countries whose economy is not sustainable or the way of life does not allow them a correct development in society to other countries that if they meet the expectation to create a family with good employment, good cultural stability and many more characteristics.
The acquisition of citizenship by the concept of the Ius Sanguinis comes from Roman history. The study of Roman law is based on the idea that “ It was not the place of birth but the nationality of the parents that conferred Roman citizenship on the child ”. In the event that only one of the parents was Roman and the other was not, the person will acquire nationality or citizenship at the time of delivery. The non-Roman father would not be Roman because he had the Roman's son, this principle developed later when the concept was “humanized”.
Today, more than a principle, it is an advantage and a tool for people to enter the country and can live there permanently, since both the foreigner and the descendant can acquire nationality. The Ius Sanguini is commonly related to the Ius Soli, the difference is that the Ius Soli establishes that nationality is acquired just by being born in the country in which it is desired, without the need for one of the parents to be a native of this.
