I purchased the subject undated RPPC (Real Photo Postcard) (not postally used) depicting a middle-aged couple, three boys and a girl.It is identified on the back:
"Liman [sic] & Emma Allen & family
Emma is Clara Marcha's sister"
This family appears in Public Member Trees posted on ancestry.com. Members are listed in the 1910 and 1930 Census data for Hot Springs, Fall River Co., SD.
Lyman George Allen, born 3 Jul 1877 in West Point, Cuming Co., NE, died 8 Jun 1948 in Tacoma, Pierce Co., WA, was the son of Ethan Allen (1835-1909) and Mary Ellen Johnson (1858-1930). Lyman married Emma Jane Chessman, born 16 Jun 1883 in Madison, Guthrie Co., IA, died 23 Jul 1962 in Tacoma, Pierce Co., WA, the daughter of John Leander Chessman (1832-) and Sarah A. Pearson (1843-).Emma's sister, Clarissa Sidney Chessman (1875-) married Cyrus Eli March (1869-1958). Lyman and Emma had five children: Gerald Wayne Allen (1902-1902), George Clair Allen (1905-1981), Howard Allen (1908-), Orville Edwin Allen (1908-1979), and Ethel Blanche Allen (1910-2005). Lyman was employed as a carpenter and blacksmith.