I have found some information you have inquired about in your inquiry regarding Joseph Rivet and Henriette Carpentier.Regarding Joseph Rivet, I have not found much but I have found more information about Henriette Carpentier and her family.The Carpentier family were residence of the parish of Ste-Genevieve-de-Berthier for several generations.All the information comes from the parish registry of Ste-Genevieve-de-Berthier, PQ (SGB).
I- Alexis Carpentier, Sr. born June 21, 1780 SGB - died February 19, 1853 SGB married on November 25, 1799 SGB to Marie-Josephte Henault born April 7, 1777 SGB - died on December 19, 1862 SGB. Their son Alexis, Jr. was Marie-Henriette's father follows.
I-a-Alexis Carpentier, Jr. born December 26, 1805 SGB - died March 24, 1866 SGB married on January 10, 1838 SGB to Marie-Eliza Provost born 1817 - died March 30, 1854 SGB. Marie-Eliza Provost was the daughter of Francois Provost born 1763 - died November 8, 1825 SGB married on February 4, 1812 SGB to Marguerite Giroux born January 18, 1777 SGB - died October 21, 1844 SGB. Both Francois and Marguerite had been married before.Francois Provost's first wife was Marie-Charlotte Chevallier (1771-1809) and Marguerite Giroux's first husband was Louis Bourgoing-Bourguignon (1778-1810) who were married on January 20, 1800 SGB.
Alexis Carpentier and Marie-Eliza Provost's children are as follow.
I-a-a-Marie-Louise-Philomene Carpentier born October 27, 1838 SGB - died March 26, 1860 SGB.
I-a-b-Marie-Henriette Carpentier born November 30, 1839 SGB married to Jospeh Rivet on January 19, 1869 SGB. This couple have no children found in the SGB registry.They have either moved elsewhere in Canada or the USA or had no children.
I-a-c-Marie-Caroline Carpentier born February 20, 1841 SGB married on November 5, 1860 SGB to Henry-Honore Cedra born March 21, 1841 SGB.
I-a-d-Charles-Alexandre Carpentier born September 11, 1842 SGB - died June 2, 1843 SGB.
I-a-e-Charles-Alfred Carpentier born October 7, 1843 SGB - died August 17, 1854 SGB.
I-a-f-Marie-Euchariste Carpentier born October 16, 1846 SGB.
I-a-g-Louis-Jacques Carpentier born March 7, 1848 SGB - died August 14, 1861 SGB.
I-a-h-Louis-Octave Carpentier born April 9, 1849 SGB - died October 24, 1850 SGB.
I-a-i-Marie-Alexandrine Carpentier born October 4, 1850 SGB married on October 26, 1874 SGB to Noe Cote.
I-a-j-Adolphe-Alexis Carpentier born February 15, 1852 SGB.
I-a-k-Marie-Philomene Carpentier born March 9, 1854 SGB married on January 7, 1880 SGB to Michel-Anthime Aubin.
Regarding the Rivet family, I have found the following information.Joseph Rivet was not born in SGB and I have not yet found where the Rivet family orginated.Yet, the Rivet family were residents of SGB because several of Joseph Rivet's siblings were found in the SGB birth, marriage, and death registries.
Joseph Rivet was the son of Andre Rivet and Josephte Han dite Chausse.Their children are as follow.
I-a-Joseph Denis Rivet married on September 23, 1867 SGB to Marie-Mathilde-Louise Dube (1849-).
I-b-Joseph Rivet married on January 19, 1869 SGB to Marie-Henriette Carpentier (1839- ). (As noted above).
I-c-Felonise Rivet born 1847 - died May 24, 1876 SGB married on January 17, 1865 SGB to Louis-Henri-Honore Boucher (1836-76).
I-d-Elisabeth Rivet married on August 20, 1867 SGB to Louis-Severin Masse (1845-).
I-e-Louis Rivet married on August 8, 1876 SGB to Marie-Henriette Daviau.
I-f-Pierre-Paul Rivet born June 29, 1852 SGB married on March 29, 1871 SGB to Georgina Henault.
I-g-Andre-Amedee Rivet born March 16, 1857 SGB - died May 12, 1857 SGB.
I-h-Marie-Resina Rivet born February 10, 1859 SGB - died October 1, 1859 SGB.
I hope this helps with your research.