via common ancestor:

Pierre Pepin and Francoise Prieur

descending lineages follow:

 Jacques Pepin married Marie-Jeanne Caiet

Marie-Ursule Pepin
 married Louis Pinard II

Jacques Pepin and Marie-Ursule Pepin were brother and sister

Jean Pepin married Marie-Jeanne Jacqueline De Billy dit Courville

Marie-Ursule Pinard married Michel Jutras

Jean Pepin & Marie-Ursule Pinard were first cousins

Jean-Baptiste Pepin married Marie-Louise Pinard

Marie-Louise Jutras & Jean-Charels Vacher
married 1738 in Nicolet, Quebec

Jean-Baptiste Pepin & Marie-Louise Jutrast were 2nd cousins

Jean-Baptiste Pepin II married M-Josephte Descoteaux ditLefebvre

Jean-Charles Vacher II & M-Francoise Lemire
married 1765

Jean-Baptiste Pepin II & Jean-Charles Vacher II were 3rd cousins

Gabriel Pepin married Marie Anne Dion

Catherine Vacher married Charles Lesieur

Gabriel Pepin & Catherine Vacher were 4th cousins

Marie Pepin married William Gauthier

M-Catherine Lesieur married Gervais Lambert

Marie Pepin & Marie-Catherine Lesieur were 5th cousins

Donat Gauthier married Marie-Alice Roux

Joseph Lambert married Marie Luneau

Donat & Joseph were 6th cousins

Jeannette Gauthier married Joseph Georges Andre Goulet

Philomene Lambert married Benjamin Marcotte

Jeannette and Philomene were 7th cousins

Robert Goulet

Caroline Marcotte married Archille Marcotte

Singer\Actor Robert Goulet and my great grandmother Caroline Marcotte 8th cousins

Joseph Marcotte

Robert Goulet is the are 8th cousins, once-removed of Joseph Marcotte

Leonard Marcotte

Robert Goulet & Leonard Marcotte are 8th cousins, twice-removed through Leonard’s father. They are also 9^th cousins through Leonard’s mother.

Michael Marcotte

Robert Goulet & Michael Marcotte are 8th cousins, 3x-removed through Michael’s paternal grandfather. They are also 10^th cousins through Michael’s paternal grandmother. (Michael, Leonnard, Mary Lena Moisant, John Baptiste Moisant, Domathilde Hebert, Suzanne Guerin, Paul Guerin, Jacques-Louis Guerin, Marie-Jeanne Cusson, Jean Cusson, Jacqueline Pepin (sister of Guillaume Pepin, above). There would also be additional relationships via the Pinard line and the Dion line, if anyone wanted to trace those.