Bernhard II "took up a hostile attitude toward the German kings, Conrad II & Henry II" {-Encycl. Brit., 1956, 20:33.}. {Ernst-Friedrich Kraentzler, op. cit., p. 64, gives Bernhard's mother as Hildegarde de Stade who died 10-03-1011, dau. of Henry I de Stade, Count of Heilingau, etc., and his second wife, Hildegarde von Nordheim.}

References: [AR7],[Paget1],[RFC],[ES],[Talbot1],[RD500], [WallopFH],[MRL]