Thuston (Toussaint) Bastenbourg de MONTFORT 
Thuston (Toussaint) Bastenbourg de was born about 0942 in Bastenbourg, Normandy, France. Thuston (Toussaint) Bastenbourg de's father was Anslech de BERTRAND. He was an only child. He died in 1023 in Montfort-sur-Risle, Eure, ZNormandy, France.
He had a biological son named Hugh I de.
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Children
Hugh I de MONTFORT
Hugh I de was born about 0975 in Normandy, France. He died about 1037 in Normandy, France.