Rose's parents were:
James Bessant, b. Nov. 5, 1847 in Bartley, New Forest District, Hampshire, England and d. Feb. 7, 1925 in San Bernardino, San Bernardino County, CA. &
Elsie Jane Cline, b. Feb. 22, 1856 in El Monte, Los Angeles County, CA. and d. Feb. 1, 1931 in San Bernardino, San Bernardino County, CA.

In the Jun. 30, 1900 U. S. census, 16 yr. old Rosa Bessant, attending school, b. Apr. 1884 in CA., was living in San Bernardino, San Bernardino county, CA. with her
48 yr. old father, James Bessant, a Farmer, b. Nov. 1851 in England
44 yr. old mother, Elsie Bessant, b. Feb. 1856 in CA.
24 yr. old (married/separated/divorced?) sister, Sarah Anderson, b. Apr. 1876 in CA.
22 yr. old brother, Walter Bessant, a Farm Laborer, b. Nov. 1877 in CA.
20 yr. old brother, Joseph Bessant, Raising Stock, b. Feb. 1880 in CA.
18 yr. old brother, William Bessant, a Farm Laborer, b. Feb. 1882 in CA.
13 yr. old sister, Martha Bessant, attending school, b. May 1887 in CA.
11 yr. old sister, Susie Bessant, attending school, b. Jul. 1888 in CA.
9 yr. old brother, Fred Bessant, attending school, b. Feb. 1891 in CA.
5 yr. old brother, Daniel Bessant, b. Aug. 1894 in CA.
1 yr. old brother, Isaac Bessant, b.Jul. 1898 in CA.
1 yr. old niece, Ida Anderson, b. May 1899 in CA.
19 yr. old unmarried boarder, John Mapstead, b. Sep. 1880 (*who Rosa would marry in 1902.)
James and Elsie had been married 25 years.
Elsie was the mother of 10 children, all still alive by this census.
Sarah Anderson had been married for 4 years.
Sarah was the mother of 2 children, only 1 still alive by this census.

San Bernardino Daily Sun (San Bernardino, CA.), P. 13, Col. 4
Wed., May 26, 1948
Native of City Taken by Death
Mrs. Rose Mapstead Dies at Residence
Mrs. Rose Mapstead, 64, native and life-long resident of San Bernardino, died yesterday morning at her home, 1290 Waterman avenue. She was a member of the San Bernardino Pioneer society.
She is survived by her husband, John R. Mapstead, of San Bernardino;
a daughter, Mrs. Walter Tompkins of San Bernardino;
five brothers, George Bessant of San Bernardino, Fred and Jack Bessant of Los Angeles; Ike Bessant of Bishop, and Joe Bessant of Bellflower,
and two sisters, Mrs. Martha Mapstead and Mrs. Fred C. Chafee of San Bernardino.
Funeral services will be held at 2 p.m. Saturday from Stephens & Bobbitt chapel and interment will follow in Mountain View cemetery.

Rose's husband, John Richard Mapstead, died 8 months later, on Jan. 25, 1949 at the age of 68 in San Bernardino County, CA.