Catherine Otteni is the daughter of Theodor Otteni and Theresia Frances Wörner.

She is 1 of 12 known children of Theodor and Theresia. Her siblings are:
-Anton "Tony" Otteni (1868-1919)
-William "Bill" Otteni (1869-1916)
-Jacob "Jake" Otteni (1871-1943)
-Mary Otteni Zurn (1873-1944)
-John J. Otteni . (1875-1935)
-Frank Otteni (1876-1930)
-Rose Marie Otteni Metz (1878-1942)
-Frederick Theodore Otteni (1880-1952)
-Philomena "Minnie" Otteni Alberstadt (1881-1956)
-Joseph J. Otteni 1885-1960)
-Edward Henry Otteni (1888-1920)
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Per the 1900 U.S. Census, Catherine Otteni resided in Middleborro Borough, McKean Township, Erie County, Pennsylvania with her parents. Listed are:
-Theodore Otteni, age 55, born Dec 1844 Germany
-Theresa Otteni, age 53, born Jul 1846 Germany
-William Otteni, age 30, born Nov 1869 Pennsylvania
-Joseph Otteni, age 14, born Jul 1885 Pennsylvania
-Catherine Otteni, age 13, born Feb 1887 Pennsylvania
-Edward Otteni, age 11, born Dec 1888 Pennsylvania

In 1900, Catherine's father is listed as immigrating to the United States in 1882 and lived in the United States for 28 years. Catherine's parents are listed as being married for 32 years.
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Erie County, Pennsylvania Marriage Docket, 1907, License 1554, page 778
-Groom: John Wurst
-Age: 26
-Birth Date: 6 Sep 1880
-Birthplace: Germany
-Residence: Kearsage [sic], Erie County, Penna
-Occupation: Brick Maker
-Previously Married: No

-Bride: Katherine Otteni
-Age: 20
-Birth Date: 11 Feb 1887
-Birthplace: McKean, Erie County, Penna
-Residence: McKean Twp, Erie County, Penna
-Previously Married: No
-Minor Consent: Theodore Otteni
-Marriage Date: 1 May 1907
-Marriage Place: Erie County, Pennsylvania
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Catherine and John Wurst are known to have 5 children:
• Rose Theresa Wurst Fleming (1908-1994)
• Jerome Francis Wurst (1911–1987)
• Leo Anthony Wurst (1912–1985)
• Howard J. Wurst (1913–1967)
• Dorothy W. Wurst Grode (1916–1999)
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OBITUARY Excerpt for Theodor Otteni (father of Catherine)
Erie Daily Times, Erie, Erie County, PA, 9 November 1911

Of his immediate family, he is survived by his wife, four daughters, Mrs. Michael Zuern, Mrs. Julius Metz, Mrs. Frank Alberstadt, Mrs. John Wurst; also eight sons, Anton, William, Jacob, John, Frank, Frederick, Joseph, Edward Otteni. One brother and one sister, residents of Germany, and 22 grandchildren, also survive his death.