Have some info that will help this. When you read the names of all the children Pierre Thibodeau & Jeanne Theriot have and out of them they had four daughters whose first name was Marie. The trick now is to figure out which one was married to Antoine Landry and which one to Pierre Lejeune.
Children of PIERRE THIBODEAU and JEANNE THERIOT are:
i. MARIE THIBODEAU3 L'AINEE, b. Abt. 1661, Pre Ronde de Port Royal, le village des Thibeaudeau, Canada; d. Bef. February 16, 1710/11, St. Charles des Mines, Acadia, Canada.
ii. MARIE THIBODEAU LA CADETTE, b. 1663, Pre Ronde de Port Royal, le village des Thibeaudeau, Canada; d. Bet. 1704 - 1757.
iii. MARIE JEANNE THIBODEAU LA BENJAMINE, b. 1664, Port Royal, Acadia, Canada; d. Bef. June 09, 1703.
iv. ANNE-MARIE THIBODEAU L'AINEE, b. 1666, Port Royal, Acadia, Canada; d. Bet. 1698 - 1700, Port Royal, Acadia, Canada.
v. MARIE-CATHERINE THIBODEAU, b. 1667, Port Royal, Acadia, Canada; d. Bef. November 11, 1721, St. Gabriel, Louisiana USA.
vi. PIERRE THIBODEAU L'AINEE, b. Abt. 1670, Port Royal, Acadia, Canada; d. November 22, 1723, Pisquit, Acadia, Canada.
vii. JEANNE THIBODEAU, b. 1672, Port Royal, Acadia, Canada; d. April 07, 1741, Louisbourg, Ile Royale, Cape Breton Island, Canada.
viii. JEAN THIBODEAU, b. 1674, Riviere Aux Canards, Acadia, Canada; d. December 09, 1746, St. Charles des Mines, Acadia, Canada.
ix. ANTOINE THIBODEAU, b. 1676, Port Royal, Acadia, Canada; d. Bet. November 19, 1753 - November 06, 1758.
x. PIERRE THIBODEAU LE CADETTE OU LE JEUNE, b. 1678, Port Royal, Acadia, Canada; d. Bef. October 14, 1734, Chipoudie, Acadia, Canada.
xi. CECILE THIBODEAU, b. 1680, Port Royal, Acadia, Canada; d. Bet. 1704 - 1774.
xii. MICHEL THIBODEAU, b. 1680, Port Royal, Acadia, Canada; d. November 27, 1734, Port Royal, Acadia, Canada.
xiii. ANNE MARIE THIBODEAU LA CADETTE, b. 1682, Port Royal, Acadia, Canada; d. September 02, 1720, Quebec, Quebec, PQ, Canada.
xiv. CLAUDE THIBODEAU, b. 1685, Port Royal, Acadia, Canada; d. August 26, 1756, Port Royal, Acadia, Canada.
xv. CATHERINE-JOSEPHE THIBODEAU, b. 1686, Port Royal, Acadia, Canada; d. Bet. 1729 - 1780.
xvi. CHARLES THIBODEAU, b. 1689, Port Royal, Acadia, Canada; d. August 26, 1756, Port LaJolie, Ille Jean, Prince Edward Island.