Adolf IV of Berg count of
Berg from 1132 until 1160 and of
Altena (died after 1161), son of
Adolf III of Berg count of
Berg and Hövel. He married (1st) Adelheid von Arnsberg, a daughter of Heinrich count von Rietberg; then (2nd) Irmgard (?) von Schwarzenberg, a daughter of Engelbert von Schwarzenberg.
Castle of Altena
He built the Schloss
Altena, and built Altenberg Abbey (1133) where he enters in 1160.
He had issue from his first marriage:
Adolf V of Berg count of
Berg (killed in Damascus 1148), who married Irmgard von Wasserburg, a daughter of Engelbert count von Wasserburg;
and from his second marriage:
Engelbert I of Berg count of
Berg from 1160 until 1189 (born before 1150, died in Brandis an der Donau June 1189); married Margaret of Geldern (born 1157, died 1190?);
Arnold,
Prince-Bishop of Osnabrück from 1173 until 1190 (died a crusader before Akkon, 15 December 1190).
At the beginning of the 12th century Adolf II of Berg donated the site of their old ancestral castle, Schloss Berg, to Cistercian monks from Burgundy. Adolf IV later built the
Altenberg Abbey.
Nota
Adolf IV, Count of Berg is named Adolf II, Count of Berg in the Netherlands and in Germany.
Literature
Alberic of Troisfontaines (MGH, Scriptores XXIII).
Annales Rodenses (MGH, Scriptores, XVI).
Annalista Saxo (MGH, Scriptores VI).
Gesta Trevirorum (MGH, Scriptores VIII).
MGH, Diplomata.
REK I-II. – Rheinisches UB.
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Jackman, “Counts of Cologne.”
Jackman, Criticism.
Klebel, E. “Niederösterreich und der Stammbaum der Grafen von Görz und Schwarzburg.” Unsere Heimat. Monatsblatt des Vereins für Landeskunde von Niederösterreich 23 (1952) 111-23.
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Milz, “Vögte.”
Schmale, “Anfänge.” – Tyroller, “Genealogie.”
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Wunder, G. “Die Verwandtschaft des Erzbischofs Friedrich I. von Köln. Ein Beitrag zur abendländischen Verflechtung des Hochadels im Mittelalter.” AHVN 166 (1964) 25-54.