Guillaume O'Brien

• 
• Born circa 1680
• Deceased on September 10, 1727 in Montauban-de-Bretagne, at the approximate age of 46 years

Parents

• Terence O'Brien
• Elisabeth Bourke

Family

• Married on May 13, 1724 in Montauban-de-Bretagne, with Perrine Tessier, issuing
  • Ursule-Perrine (c. 1725 - 1762)
  • Mathieu