Looking for Thompson Choctaw of Oklahoma

Looking for descendants of Joseph Perry Thompson and Betsy Ann Tims.

Joseph was born 12-25-1861 and died 11-18-1927. Betsy was born 10-21-1870 and died 9-28-1925.

They were married in 1888 and had 7 children. The children were Alexander Blue, Joel John, Ella N. Peter P., Simon, Joseph Ward Jr. and Jancy. Know some of the descendants of Alexander.