Dutch jurist, diplomat and theologian, standardly credited as the founder of international law as a distinct field. His 1625 De Jure Belli ac Pacis (On the Law of War and Peace) grounded relations among states in a natural law binding sovereigns even absent a common earthly authority, systematizing what became the modern law of nations; his earlier Mare Liberum (1609) argued for freedom of navigation on the open seas. Trained in the Roman-Dutch civil law tradition, he served as Pensionary of Rotterdam before imprisonment and exile over the religious-political conflict between Remonstrants and Counter-Remonstrants, later serving as Sweden's ambassador to France.
Facts
RoleLegal scholar, diplomat 1 Nationality / JurisdictionDutch Republic; Roman-Dutch civil law, founding figure of international law 1 Place of DeathRostock, in present-day Germany, after a shipwreck on his final journey 1 Classification
Field of Law Role
Role (category) Role (category) Hugo Grotius
Connections
Formulated
Articulated as a foundational principle of the law of nations by Hugo Grotius in De Jure Belli ac Pacis (1625).
In Legal System
His formal legal training and Dutch offices sit within the Roman-Dutch civil law tradition; his best-known contribution founded international law as a field distinct from any one domestic legal system this atlas currently mints (no international-law legal-system entity exists here; named in prose rather than forced onto an edge, matching this atlas's own established convention for a claim with no clean live target).
Source Encyclopaedia Britannica
Works Attributed
Source Encyclopaedia Britannica
In the Other Atlases
Sources
1. Encyclopaedia Britannica
Encyclopaedia Britannica, Inc.https://www.britannica.com/biography/Hugo-Grotius
Grotius escaped imprisonment in 1621 with the help of his wife by hiding in a chest of books; he then fled to Antwerp and then to Paris.
Introduction, field of law
Trained in the Roman-Dutch civil law tradition, he served as Pensionary of Rotterdam before imprisonment and exile over the religious-political conflict between Remonstrants and Counter-Remonstrants, later serving as Sweden's ambassador to France.
- In Legal System: Civil Law
- Works Attributed: De Jure Belli ac Pacis (On the Law of War and Peace)
View the Source Wikidata: Hugo Grotius
Wikidata Q154959, P1477 birth name claim (nl)
birth name (P1477): Hugo Grocio, Hugo Grotius eller Hugo de Groot
Wikidata Q154959 self-citation (QID resolved for a previously unsourced jurist)
P31 (instance of): human; QID resolved and verified for this jurist (Hugo Grotius)
View the SourceFrequently Asked Questions
How did Hugo Grotius escape from Loevestein Castle?
In 1621 he escaped in a book chest, helped by his wife and maidservant, and fled to Paris.
In 1621, with the help of his wife and his maidservant, Elsje van Houwening, Grotius escaped the castle in a book chest and fled to Paris. He had been sentenced to life imprisonment and transferred to Loevestein Castle after his arrest in the conflict between Maurice of Nassau and the States of Holland. In the Netherlands today he is mainly famous for this daring escape.
What does Grotius argue in De jure belli ac pacis?
A system of natural law binding on all nations, naming three just causes for war and rules that bind every party to a war.
First published in 1625, the treatise advances a system of principles of natural law, held to be binding on all people and nations regardless of local custom. Book II identifies three just causes for war: self-defence, reparation of injury, and punishment. Book III takes up the rules governing the conduct of war once it has begun, and Grotius argued that all parties to war are bound by such rules, whether their cause is just or not.
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