Dudley Avery was the third child of Sarah Craig (Marsh) & Daniel Dudley Avery.
He married 30 Mar 1865 in Iberia Parish, LA, Mary Louise Richardson [b. 11 Nov 1845 in St. Mary's Parish, LA, daughter of Mary Sessions (Alexander) & Daniel Dubose Richardson; d. 13 Mar 1875 @ Avery Island, LA]; they resided at Avery Island, LA, where they had 4 children.
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