I am the GGgrandson of Gen. Thomas Mcgregor and Jenni Matilda Samuela Woodburn.My grandmother, Inez Mcgregor attended their 50th anniversary in 1914. My Ggrandfather was Capt. Robert Royal Mcgregor, Mitchell co.,5th cav. He was born Harrisburg Penn. 1870, ,.died Tucson,Az.,1942. Craig Booker