When Ramsdell Valentine was born on 4 October 1835, in Troy, Oakland, Michigan, United States, his father, John Valentine jr, was 41 and his mother, Amanda Fay, was 32. He married Lucy Ann Goodwin on 16 April 1856, in Oakland, Michigan, United States. They were the parents of at least 1 son and 1 daughter. He lived in Fenton Township, Genesee, Michigan, United States in 1900 and Fenton, Genesee, Michigan, United States in 1910. He died on 14 May 1918, at the age of 82, and was buried in Mount Hope Cemetery, Lansing, Ingham, Michigan, United States.