Grice and Sidney had at least the following children:
Grice Loftus Widenham m Brigid Sidney Lowry Acton
Lt Cmdr Richard Charles Widenham Smyth m Brigid Sidney Lowry Acton
Sidney died on 18 January 1947.
Sources
↑ "Ireland Civil Registration Indexes, 1845-1958," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FBNY-W3X : 10 March 2018), BIRTHS entry for Sidney J Tottenham; citing Skibbereen, Oct - Dec 1897, vol. 5, p. 436, General Registry, Custom House, Dublin; FHL microfilm 101,066.
↑ "Ireland Census, 1901," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QPB2-KYW5 : 29 January 2019), Sidney J Tottenham in household of Charles F B Tottenham, Béal an dá Chab, County Cork, Ireland; citing Census, Béal an dá Chab, County Cork, Ireland, 0000174364, Public Record Office of Ireland, Belfast.
↑ "Ireland Census, 1911," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QYXH-9QPZ : 26 December 2018), Sidney J Tottenham in entry for Charles Tottenham, 1911; citing Wallstown, County Cork, Ireland, Census, National Archives of Ireland, Dublin.
↑ "Ireland Civil Registration Indexes, 1845-1958," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FYNV-HMD : 10 March 2018), MARRIAGES entry for Sidney J Tottenham; citing Mitchelstown, Jan - Mar 1924, vol. 4, p. 333, General Registry, Custom House, Dublin; FHL microfilm 101,575.
Montgomery-Massingberd, Hugh (1976) Burke's Irish Family Records. London, U.K.: Burkes Peerage Ltd; p1113 BIFR Pedigree of Tottenham