I am trying to find Dana and Waldo Martin they are my grandfather Carlton Martin older brothers I can find them listed up in the census until 1888 then nothing. they lived in Bremmer county Iowa also fayette county. parents are Samuel and Phebe martin other brothers are Wilbert carlton and one sister Nellie martin. I have year of birth for dana as about 1867 and waldo as about 1871 thanks in advance for any help you can give me. Norma