Here is the answer to your questions according to the Dictionnaire généalogique des descendants de François Nau, Edition du 1er mai 2005:
1.Francois Nau + Marie Thérèse Chaillé 2.Their eleventh child was Claude Nau + Isabelle Elisabeth Benoit/Abel. 3.Their 5th child was Joseph Nau + Marie Josephe Dutailly 4.Their 6th child was Jean-Baptiste Nau + Marie Josèphe Laurence. 5.Their 4th child was Amable Nault + Josette Lagimodière 6.Their 2nd child was André Nault + Anastasie Landry 7.Their 6th child was Elie Nault + Marie Anne Charette 8.Their 9th child was Elory Nault + Marie Louise Delorme 9,Their 6th child was Richard Paul Roy + Sylvia Horton
I have my own copy of the Nault dictionary.I would be glad to answer any other questions you have if I have the necessary information.