See the surname as Andrews
Robert, Clarence and Arthur are sons in 1940

ACCORDING TO TREE ONLINE AND DNA MATCH, Arthur had relationship with Thelma Frances Johnson 1902-1979 and they had son Donald J Anders born in Joilet, IL 4 Jun 1921-1978 and Sally Donovan is Donald’s daughter
Marriage license to Thelma Rockford, IL Presbyterian church records, 25 Nov 1920, witnesses Walter A Johnson and Helen Mahony
ARTHUR1892 IS FOUND ELSEWHERE with his wife and family, in NC
Donald J Anders md Margaret A Thompson, son of Thelma Petri, died July 1978

SECOND PERSON - THERE IS AN ARTHUR ANDERS BORN 11 Jun 1890 in NC and dies 28 May 1947 in Evansville, IN, on Keller St. MARRIED TO ANNIE - parents CHARLES ANDERS born Evansville IN AND MARY A DEVOS. Informant is Anna Anders. Buried Oak Hill Cemetery in Evansville