Joel Grover was George F. Richards’s brother-in-law. He was born on 11 March 1849 in what became Farmington, Utah Territory, to Thomas Grover III and Hannah Tupper. He married Mary Aseneth Richards on 5 December 1869. He died in Nephi, Utah Territory, on 13 May 1886.
 “Joel Grover,” in Andrew Jenson, Latter-day Saint Biographical Encyclopedia, vol. 1 (Salt Lake City: Andrew Jenson History, 1901), 515.