Frederick Anton Otteni is the son of Anton Otteni and Josephine Wingerter.
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Per the 1900 U.S. Census, Frederick Otteni resided in McKean Township, Erie County, Pennsylvania. Listed are:
-Anton Otteni, age 31, born Jun 1888 Germany
-Josephine Otteni, age 31, born Nov 1867 Germany
-Annie Otteni *, age 6, born Sep 1893 Pennsylvania, Daughter
-Frederick Otteni, age 1, born Apr 1899 Pennsylvania, Son
-Francis Otteni **, age 11, born Jun 1888 Pennsylvania, Son adop
-William Otteni **, age 10, born Jun 1890 Pennsylvania, Step Son
-Henry Otteni ***, age 10, born Jun 1890 Pennsylvania, Step Son

* NOTE: Annie is Anna Elizabeth Otteni, the daughter of Anton "Tony" Otteni and Mary Elizabeth "Lizzie" Pfeffer.
** NOTE: Francis and William Otteni are the sons of Peter Amman and Mary Elizabeth "Lizzie" Pfeffer. After Peter and Lizzie died, they were raised by Anton Otteni and Josephine Wingerter.
*** NOTE: Henry Otteni is the son of Josephine and an unknown father.

In 1900, Frederick's parents are listed as married 7 years. In the 1910 US Census, they are listed as being married for 12 years. They were married in 21 Feb 1898. His mother is listed with 4 children born and 4 children living.
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World War I Draft Registration Cards, 1917-1918
-Name: Fred Anton Otteni
-Age: 19
-Birth Date: 3 Apr 1899
-Occupation: Farmer
-Residence: McKean, Erie County, Pennsylvania
-Nearest Relative: Anton Otteni, Father
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In 1933, Frederick married Alice Aldora Luce, the daughter of James Henry Luce and Maude Agnes Dougan.

Erie County, Pennsylvania Marriage License, 1926, License 54
-Groom: Fred A Otteni
-Age: 34
-Birthplace: McKean, Pa.
-Residence: McKean R.F.D #2
-Occupation: Farmer
-Previously Married: No
-Father: Anthony Otteni
-Father's Birthplace: Germany
-Father's Occupation: Deceased
-Mother: Josephine Swan Otteni
-Mother's Birthplace: Germany

-Bride: Alice Aldora Luce
-Age: 28
-Birthplace: Buffalo, N.Y.
-Residence: McKean, Pa.
-Occupation: School Teacher
-Previously Married: No
-Father: Henry Luce
-Father's Birthplace: Penn.
-Father's Occupation: Farmer
-Mother: Maude Dougan Luce
-Mother's Birthplace: Greenville, Pa.
-Marriage Date: 26 Apr 1933
-Marriage Place: North East, Erie, Pennsylvania
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Per the 1940 U.S. Census, Fred and Alice Aldora Otteni resided in McKean Township, Erie County, Pennsylvania. Listed are:
-Fred Otteni, age 41, born Pennsylvania
-Aldora Otteni, age 35, born New York
-Fredora Otteni, age 4, born Pennsylvania
-Donald Otteni, age 2, born Pennsylvania
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Per the 1950 U.S. Census, Fred and Alice Aldora Otteni resided in McKean Township, Erie County, Pennsylvania with her parents. Listed are:
-Fred A Otteni, age 51, born Pennsylvania
-Alice A Otteni, age 45, born New York
-Fredora Y Otteni, age 14, born Pennsylvania, Daughter
-Donald H Otteni, age 12, born Pennsylvania, Son
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Social Security Death Index
-Name: Fred Otteni
-Last Residence: McKean, Erie, Pennsylvania
-Born: 3 Apr 1899
-Last Benefit: 16510 Erie, Erie, Pennsylvania
-Died: Feb 1978
-State (Year) SSN issued: Pennsylvania (Before 1951)