The History of El Dorado County, California by P. Sioli, page 250
John Hopwood was of English birth, came to the United States on Jan. 1, 1855 was married to Julia Waterman, daughter of John Waterman, of Virginia, came to California and settled in Placerville, in October, 1855, where he engaged in mining. Followed the Frazer river excitement and was killed by the Indians in the North.
Jno. E. Hopwood, the only son was born at Placerville, Oct. 30, 1856. He is a steady young man, and at present engaged in the mill at the Grand Victory Mine. In June, 1864, Mrs. Hopwood was again married to Isiah Zumwalt, who was born in Mo., August 8, 1836, and by this union there are six children, viz: James H., Charles F., Ida, George, May, and Frederick. The farm has 160 acres of good tillable soil, with a good residence, etc. Both Hopwood and Zumwalt are members of the I.O.O.F., at Diamond Springs.