Barbara Lee's Family Tree

I am searching for information on mymateral greatgrandfather andgrandmmother Roy and Jane Willis.Jane died in 1898 while giving birth to her tenth child. Her ninth child was my grandmother Mignon G. Willis.Jane was one quarter Cherekee Indian.
I need information on my grandfather Roy Selden.I think he was born in Oakland,CA.His mother and father were Harold and Marie Selden who came on the boat from England.
I also need information on my paternal Grandfather Ernest Eugene Fetter, born in Nebraska in around 1881.