Elisa, I confirm, Cyrille Lebeau was Narcisse's brother. He was born in "La-Visitation-du-Sault-au-Recollet Parish (Montreal) Sept.12, 1820. He was the son of Paschal Lalouette dit Lebeau and Josephte Monet dite Boismenu. Paschal married Josepthe in La-Visitation ..... January 26, 1801. Cyrille had 13 brothers and sisters. I have a picture of Narcisse and his wife Catherine Charlebois.
I have the genealogy of the lebeau up the first one who came to Canada in 1672. I would be glad to share it with you. You can write to me at email@example.com