Not to be confounded with his uncle John II of Saarbrücken-Commercy :fr:Jean II de Sarrebruck-Commercy| John II of Saarbrücken, Jean II de Sarrebruck, Johann II von Saarbrücken . He was the Count of Saarbrücken :de:Liste der Grafen von Saarbrücken| and Seigneur of Commercy :fr:Seigneurie de Commercy|, as Jean IV of Saarbrücken-Commercy, part "Château bas".
Life
John was the son of Simon of Saarbrücken-Commercy, son of John I :fr:Jean Ier de Sarrebruck-Commercy|, Count of Saarbrücken. His mother was Marguerite of Savoy-Vaud, a daughter of Louis I of Vaud, married with Simon in 1309. 1326, before the death of John II's grandfather, Count John I, the inheritance was divided. John was awarded the County of Saarbrücken and a small part of Commercy, called "Saarbrücken" or "Château bas". The larger part of Commercy, called "Château haut", went to his uncle John II :fr:Jean II de Sarrebruck-Commercy|, as "Seigneur of Commercy", of the house of Saarbrücken-Commercy. One of his sons was Jean III. Like his father Simon, John II supported France in the war against England. During the Battle of Poitiers 1356, both John II and King John II of France were taken prisoner by the English. He was held in Wallingford Castle until 1360. In 1362, he fought against gangs of mercenaries near Lyon and was briefly taken prisoner again. John II undertook several diplomatic missions in the service of the French King. In 1362, he travelled to the court of Emperor Charles IV and in the following years, he travelled to the English court several times. In 1364, he was appointed Grand Butler of France as a reward for his services. In 1370 John was appointed chairman of the Court of Finances. In 1371, he received the Lordship of Vaucouleurs. In 1380, John II retired from the French court. He died in 1381. As he had no sons, his daughter Johanna inherited the County of Saarbrücken. However, she died later that year, and the county fell to her son Philipp I of Nassau-Weilburg. Various lines of the House of Nassau would hold the county until it was conquered by France in 1795.
Marriage and issue
Latest in 1334, John II married Ghislette, a daughter of Peter of Bar, Lord of Pierrefort, son of Theobald II, Count of Bar. Ghiselette's mother was Jeanne of Vienne, daughter of Hugues of Vienne, Sire of Longwy and Pagny. John and Ghislette had one daughter:
Johanna, married in 1353 to John I, Count of Nassau-Weilburg, and had several children. Formally she succeeded briefly as Countess of Saarbrücken, and as regent of Nassau-Weilburg for her young son, and the House of Nassau-Saarbrücken followed, with their son:
**Philip II of Nassau-Weilburg, Count and founder of the line Nassau-Weilburg. At his majority in 1438 he began ruling in collaboration with his mother.
**Johann II of Nassau-Saarbrücken, aka Jean/John II/III,, Count and founder of the line Nassau-Saarbrücken. In 1444 he sold the Seigneurie of Commercy "Château-Bas" to Louis of Lorraine :fr:Louis d'Anjou-Commercy|, marquis Pont-à-Mousson, son of King René of Anjou, who inherited the property from his son.
Johann Philipp, folgte dem Vater in Nassau-Weilburg Johanna, ∞ Hermann II., Landgraf von Hessen Johannette Agnes, ∞ Simon III. Wecker, Graf von Zweibrücken-Bitsch Schonette, ∞ Heinrich X. von Homburg ∞ Otto von Braunschweig-Grubenhagen Margarete, ∞ Friedrich III., Graf von Veldenz
