I think this is Herbert's mother and older siblings (well, the Herbert who was born 1908 Beds, anyway
:
1901: 48 Pilcroft Street, Bedford St Mary,
RG13 / Piece: 1492 / Folio: 29 / Pg 0
Wife: Bessie T SMITH 28, married, Dress Maker, (own Account at home),b Thomaston, USA
Son: Vernon SMITH 10, b Bedford
Son: Vivian SMITH 3, b Wootton, Beds
Dau: Bessie SMITH 2, b New Fenlake, Beds
BIRTH: Vernon Cyril M SALISBURY, Dec Qtr 1890 Bedford
BIRTH: Bessie Audrey TEMPLE-SMITH, Sep Qtr 1898, Bedford
MARRIAGE: Dec Qtr 1895, Ampthill - on the same page.
Bessie Sophia SALISBURY
Alfred Temple SMITH
Then back to 1891:
19 Bakermans Place, Bedford St Mary, Bedfordhshire
RG12 / Piece: 1248 / Folio: 71 / Pg 5
Head: Samuel SALISBURY 41, widower, House Decorator, b Cranfield, Bedfordshire
Dau: Bessie SALISBURY 20, single, b Thomaston, Maine, USA
Dau: Edith SALISBURY 14, b Bedford
Son: Edward SALISBURY 10, b Bedford
Dau: Eva SALISBURY 8, b Bedford
Grandson: Vernon Cyril Miller SALISBURY 5 mths, b (not recorded)
By using the FREELY available 1911 Index on Family Search and searching the individual names, the 1901 family appears to be in Wheathampstead, Hertfordshire 1911 (St Albans), as SMITH.
https://www.familysearch.org/Bessie is down as born abt 1872 in Augusta, Maine - these days, Augusta Maine is just under an hour's drive from Thomaston Maine (Src: Google maps). There is an Alfred SMITH b abt 1872 Southampton, also in Wheathampstead.
You can also try find them here in 1911 , suggest you perform a search with the relatively uniquely named son, Vivian SMITH as the 'Other Person in Household" in Advanced search:
http://www.1911census.co.uk/search/tnaform.aspx?4Cheers
AMBLY