• Married:
• Died: 8 Apr 1167/8

  Research Notes:

Heer van Valkenburg 1128/66. Herr von Heinsberg 1130. The Annalista Saxo names (in order) "Gerhardum et Gozwinum comites" as sons of "Gozwinus de Valkenberh" and his wife “filiam...Sigefridi de Waldbike...Odam”, specifying that Gerhard married "Irmingardem marchionissam, viduam Udonis marchionis". Bruno [II] Archbishop of Köln settled the dispute between Bonn St Cassius and Kloster Siegburg concerning the churches of Hennes and Ober-Pleis by charter dated 1132 witnessed by "Alverada de Cuck cum suis liberis" by charter dated 2 May 1131 witnessed by "…Adolfus comes de Monte, Adolfus comes de Saffenberg, Lutherus comes de Are, Gerhardus comes de Iuliaco, Gerhardus de Hostade, Gozwinus comes de Ualkenburg, Cunradus comes de Bunne, Gerhardus de Mulenarke, Gerlach et fratres eius Adelgerus et Theodericus de Gladebach, Herimannus de Rudenberg…". Arnold [I] Archbishop of Köln donated revenue to Kloster Brauweiler by charter dated 1138 witnessed by "…Adolfus comes de Sauenberch, Lutherus comes de Ara, Cunradus comes Ueronensis, Gozwinus de Falkenburch. De liberis hominibus: Godefridus de Iuliaco, Theodericus de Hengebach…". Alexander Bishop of Liège confirmed the donation made by "domnus Gozwinus secundus Henesbergensis et uxor eius Aleidis" to the church at their castle, with the consent of "filiis eius Philippo…archiepiscopo, Gozwino, Godefrido", by charter dated 13 Mar 1165 (but redated to [1167/68]). Reinald Archbishop of Köln issued a charter dated 22 Feb 1166 relating to the division of their inheritance between "domna Elisabeth de Randenrothe…[et] sororem eius comitissam de Mere domnam…Hildegundem", with the consent of "filiorum ac filiarum domne Elisabeth", witnessed by "…Gozwinus senior de Heimesberg et filius eius Godefridus…". ¹