Here is some additional information:

Tom, Ted, George, Billy and Bob all worked on the farm.
Tom married Gwen (teacher at Ludham Primary School)
Ted married Gladys (nee Kirby, from Martham)
Alf married Connie
George was the eldest and managed the farm. Married Mary (nee Balk)
Billy was unmarried and had a daughter called Pat
Bob was a carpenter and married Monica
Photo is thought to be 1928
Sarah's maiden name was Southward