Mary Elizabeth Nadeau (daughter of Willis James Nadeau and Ethel Rose Livernois) was born 25 Mar 1948 in Monroe, Michigan.She married Ronald Joseph Staelgraeve on 23 Aug 1968 in St. Joseph's Church - Monroe, Michigan. More About Mary Elizabeth Nadeau and Ronald Joseph Staelgraeve: Marriage: 23 Aug 1968, St. Joseph's Church - Monroe, Michigan.