Gertrud Von+ Regensberg 
General Notes
SOURCES: "Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, H.R. Moser <Burke Peerage>, O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842, and E. Lodge>) http://geneastar.org.
They had two sons named Eberhard I Von+ and Gottfried Von.
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Children
Eberhard I Von+ Habsburg
Eberhard I Von+ was born before 1231 in Lauenburg, Schleswig-Holstein, Preussen. He died in 1284 in Kyburg, Zurich Canton, Switzerland.