Rachel Granger Wegeforth was born on January 10, 1893, the daughter of Ralph Granger and Jessie Hastings Granger. Ralph owned
two of the largest silver mines in Colorado and a large amount of real estate in downtown San Diego, part of Horton’s Addition.
In 1916 Rachel married Dr. Harry Wegeforth, who later founded the San Diego Zoo. Rachel was a community leader and philanthropist,
and in 1924 founded the Silvergate Riding Club.