The photo on that site is Pierre Lezin Becnel II, who married 1st to Marie Josephine Lennen and had two children:
Pierre Lezin Becnel, III (born 4/3/1837 who married Christine Armant) and Michel Alcide Becnel who married Leonie Provosty.
and 2nd Pierre Lezin Becnel II married Euphemie Therese "Fannie" de Baconnais of Baltimore Maryland.
His parents were:
Pierre Lezin "Lesaire" Becnel I and Mathilde Marie Rousselle. He was their only child as his father, Pierre Lezin Becnel I died in 1811.