Philibert Gibault (Gibault-49), who is the correct father, is currently showing as the father of Marie (Gibault-38). The only problem seems to be that there is a duplicate of Philibert (Gibault-37) that needs to be merged. I initiated the merge but you and the other profile manager will need to approve it.
Right now, Marie Francoise Aupry, Marie's mother has two husband's connected to her: both of the Philiberts. Once they are combined, the "half" relationships will go away and Marie will show as Jean's full sister.
One other thing I noticed though. Marie is actually Marie Charlotte. She married Louis Rainville (Drinville in the record) on June 26, 1797 in La Prairie. She had a sister that went by Marie who married Francois Rainville (Louis's brother) on November 5, 1798 also in La Prairie. That Marie died in 1799.