First-hand information. Entered by PB Côté at registration.
Maternal relationship is confirmed with a 23andMe test match between P Côté and Maj Joncas, first cousins. Predicted relationship from 23andMe: "1st Cousin based on 13.0% DNA shared across 31 segments."
It may be possible to confirm family relationships by comparing test results with PB or other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: