Thierry III De+ Gand & Oethilde De+ Nordmark 
Thierry III De+ and Oethilde De+ were married in a religious ceremony about 1000. They had a son and a daughter, named Florent I De+ and Bertrade De+.
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Children
Florent I De+ Gand
Florent I De+ was born about 1017 in Vlaardingen, Zuid Holland, Netherlands. He died due to being murdered. on June 28th, 1061 in Nederhemert, Gelderland, Netherlands.
Bertrade De+ Gand
Bertrade De+ was born about 1021 in Vlaardingen, Zuid-Holland, Netherlands. She died in 1056.