Life
His father, Siegbert, was a count in the Saargau; his mother may have been a daughter of the Lord of Eppenstein. His brother Bruno of Saarbrücken, Bruno was Bishop of Speyer; his brother Adalbert I, Archbishop of Mainz, Adalbert I was Elector of Mainz, Archbishop-Elector of Mainz. In 1105 Frederick inherited his father's position. In 1118, he was called ''Count of Saarbrücken'' for the first time. He was vassal of the Bishop of Metz.Marriage and issue
Frederick was married to Gisela of Lorraine, who brought possessions around Hornbach Abbey into the marriage. They had three children: * Agnes, married to Duke Frederick II, Duke of Swabia, Frederick II of Swabia * Simon I, Count of Saarbrücken, Simon I, his successor * Adalbert II of Saarbrücken, Adalbert II, was Elector of Mainz, Archbishop-Elector of Mainz from 1138 to 1141.References
* Counts of Saarbrücken 12th-century German nobility 11th-century births 1135 deaths Year of birth unknown {{Germany-hist-stub