Zephie Yarbrough

I have found a headstone at Cedarlawn Cemetary, on West Capital Street, Jackson, Mississippi.It reads
Mother
Zephie Yarbrough
Neely Warren
February 19, 1894
April 20, 1966

In the same section is Amanda Elizabeth Yarbrough, 1844-1923
(She is wife of Joseph Yarbrough). Rachael Leona Yarbrough
1870-1952 (daughter of Joseph and Amanda E. Yarbrough). H.P. Yarbrough 1879-1947 (son of Joseph and Amanda Y.) and Nicey Ola Yarbrough 1886-1918 (dau of Joseph and Amanda Y.)Does anyone know who Zephie is, she has to be related since she is buried in the same area.Thanks, Jo Dunn Sheppard