Siegfried I (died 16 February 1084) was the Abbot of Fulda from 25 December 1058 until 6 January 1060, and from January 1060 until his death in February 1084, he was Archbishop of Mainz.
سيغفريد آي (بالألمانية: Siegfried I.) (و. – 1084 م) هو كاهن كاثوليكي ألماني. (ar)
Siegfried I. von Mainz (* unbekannt; † 16. Februar 1084 im Kloster Hasungen) war von 1058 bis 1060 Abt des Klosters Fulda und von 1060 bis 1084 Erzbischof von Mainz. (de)
Sigefroi Ier de Mayence (en allemand : Siegfried I. von Mainz, mort le 16 février 1084) est abbé de Fulda (1058-1060) puis archevêque de Mayence (1060-1084). (fr)
Siegfried I (died 16 February 1084) was the Abbot of Fulda from 25 December 1058 until 6 January 1060, and from January 1060 until his death in February 1084, he was Archbishop of Mainz. (en)
Sigfrido I (XI secolo – , 16 febbraio 1084) fu abate di Fulda dal 25 dicembre 1058 al 6 gennaio 1060, e arcivescovo di Magonza dal 6 gennaio 1060 alla morte. (it)
Siegfried I van Mainz (? - 16 februari 1084) was van 25 december 1058 tot 6 januari 1060 de abt van de abdij van Fulda, en van januari 1060 tot aan zijn dood in februari 1084 aartsbisschop van Mainz. (nl)
Зигфрид I фон Эпштейн (нем. Siegfried von Eppstein; умер 16 февраля 1084) — архиепископ Майнца (1059—1084). (ru)