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Sigefroid / Siegfried of Luxemburg (obtained Luxemburg Castle 963, Count in Mose...
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Sigefroid / Siegfried of Luxemburg (obtained Luxemburg Castle 963, Count in Moselgau 982) by Baldwin, Stewart, The Henry Project: The Ancestors of King Henry II of England. Published online by the American Society of Genealogists (ASG) 2001-2020, including source citations and relevant texts; accessed 2026