John R. Calvin & Lovina Roller 
John R. and Lovina were married in a religious ceremony.1 They had seven sons and eight daughters, named James H., Allan P., Benton J., Edward G., John F., Ira R., Joseph, Samantha A., Emma, Harriet O., Sarah J., Ella L., Mary A., Irene R. and Laura.
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Personal Details
John R. Calvin
John R. was born on March 4th, 1826 in Mahoning County, Ohio.2 He died at the age of 64 on July 1st, 1890 in Mahoning County, Ohio.2
Lovina Roller
Lovina was born on December 13th, 1823.2 She died at the age of 81 on May 13th, 1905.2
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Children
James H. Calvin
James H. was born on August 29th, 1849 in Green Township, Mahoning County, Ohio.2 He died at the age of 51 on March 29th, 1901 in Salem, Ohio.2
Samantha A. Calvin
Samantha A. was born on June 29th, 1851.2 She died at the age of 72 on March 17th, 1924.2
Allan P. Calvin
Allan P. was born on March 22nd, 1854 in Mahoning County, Ohio.2 He died at the age of 71 on January 10th, 1926 in Mahoning County, Ohio.2
Sarah J. Calvin
Sarah J. was born on September 12th, 1860.2 She died at the age of 21 on October 30th, 1881.2
Edward G. Calvin
Edward G. was born on June 23rd, 1862.2 He died at the age of 63 on April 1st, 1926.2
John F. Calvin
John F. was born on October 22nd, 1865 in Green Township, Mahoning County, Ohio.2 He died at the age of 76 in August 1942 in East Lewiston, Ohio.2
Mary A. Calvin
Mary A. was born on November 12th, 1867.2 She died at the age of 57 on October 8th, 1925.2