Had three sons and two daughters; but of these, one son and two daughters only, proved to have a right to the Barony of Okehampton, and it is therefore more than probable that the Conqueror settled that property upon his niece Albreda and her heirs, and that William Fitz-Baldwin, the founder of Cowick Priory, and his brother Robert Fitz-Baldwin, Governor of Brion, in Normandy, were the sons of Baldwin de Brion, by a second marriage, which he has been always said to have contracted, although his second wife's name is still a mystery.
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Baldwin of Moeles
Also called Baldwin of Exeter, Baldwin de Brion and Baldwin de Sap. From Meulles, Calvados. Son of Gilbert of Brion, brother of Richard ...
(Doemsday Book Online.)

• Married:

1. William Avenal
2. Robert le Bastard