The GRO website (https://www.gro.gov.uk/gro/content/certificates/indexes_search.asp) has gone with a few different spellings of Rosetta's maiden name when their children's births were registered:
BENDALL, JAMES SHIMMING
GRO Reference: 1857 M Quarter in WOODBRIDGE Volume 04A Page 612
BENDALL, ELIZA SHEMMING
GRO Reference: 1859 M Quarter in WOODBRIDGE Volume 04A Page 677
BENDALL, ELIZABETH SHIMMEN
GRO Reference: 1864 M Quarter in WOODBRIDGE Volume 04A Page 668
BENDALL, WILLIAM SHIMMEN
GRO Reference: 1874 M Quarter in WOODBRIDGE Volume 04A Page 673
However both the censuses before she married have gone with Shimmen - see:
"England and Wales Census, 1841," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M73W-GNV : 13 December 2017), David Shimmen, Melton, Suffolk, England; from "1841 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives, Kew, Surrey.
and
"England and Wales Census, 1851," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SGRP-DGB : 10 November 2017), David Shimmen, , Suffolk, England; citing , Suffolk, England, p. 16, from "1851 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives of the UK, Kew, Surrey.
Rosetta's widowed mother Hannah is also living with Robert and Rosetta in 1881, see:
"England and Wales Census, 1881," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q27D-RBV2 : 12 December 2017), Robert Bendall, Bredfield, Suffolk, England; from "1881 England, Scotland and Wales Census," database and images, findmypast (http://www.findmypast.com : n.d.); citing p. 18, Piece/Folio 1880/94, The National Archives, Kew, Surrey; FHL microfilm 101,774,704.