From Remington descendant Randall Fritz: William died of lead poisoning from the water in the farmhouse, because it had lead piping.
In the Federal Census of 1900 Frederick & Florance Remington, ages 25 & 19, are living at Colesville, Broome Co., NY. They are with Florence's parents, Chancy (sp?) & Emma Seward and their son Leslie D. The census says Frederick was born in Nov 1874.
In 1910 Fred & Florence Remington, ages 37 & 29, are living at Afton, Chenango Co., NY. They have a daughter Dorothy E., age 5.