Adelaide of Lauffen

Adelaide was married twice. Around 1090, Adelaide married, as her first husband, Adolf II of Berg.^[2] With Adolf Adelaide had three sons:

• Adolf III of Berg
• Bruno of Berg, later archbishop of Cologne (r.1131-1137)^[3]
• Everhard/Eberhard, later abbot of the monastery of Georgenthal

After Adolf's death in 1106, Adelaide married Frederick I/V, count of Sommerschenburg, and count palatine of Saxony (r. 1111–1120). With Frederick, Adelaide had two children:

• Frederick II/VI of Sommerschenburg, count palatine of Saxony (d.1162), who married his niece, Lutgard of Salzwedel^[4]
• Adelaide, who married Goswin II of Heinsberg, and had two children with him: Goswin III of Heinsberg, and Philip of Heinsberg, later archbishop of Cologne (r.1167-1191).^[5]

• S. Corsten and L. Gillessen, Philipp von Heinsberg 1167–1191. Erzbischof und Reichskanzler. Studien und Quellen Museumsschriften des Kreises Heinsberg 12 (Heinsberg, 1991).
• A. Thiele, Erzählende genealogische Stammtafeln zur europäischen Geschichte Band I, Teilband 2 Deutsche Kaiser-, Königs-, Herzogs- und Grafenhäuser II (R.G. Fischer Verlag, 1994).
• P. Leidinger, Untersuchungen zur Geschichte der Grafen von Werl. Ein Beitrag zur Geschichte des Hochmittelalters. Verein für Geschichte und Altertumskunde Westfalens Abteilung (Paderborn, 1965).
• T.R. Kraus, Die Entstehung der Landesherrschaft der Grafen von Berg bis zum Jahre 1225 (Schmidt, Neustadt an der Aisch, 1981).