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Not included in FMG which cites " Duke Frederic I & his wife had three children:...
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Not included in FMG which cites " Duke Frederic I & his wife had three children: 1. HENRI "Hezelin" (-[972/978]). 2. ADALBERO (-Metz 14 Dec 1005, bur Metz Cathedral, transferred to l'église de l'Abbaye Saint-Symphorien). 3. THIERRY ([962/72]-11 Apr 1027). He succeeded his father in 978 as THIERRY I Duke of Upper Lotharia