Alva is Alvan South b 18 sept 1890 Nebraska d 9 jul 1975 Polk co Iowa married Maude Hallie Davidson --No other known marriages for Alvan or any known children. His parents were John J. South b abt 1855 Rock Island co Ill d 7 mar 1931 Polk co Iowa and Jennie Downs b abt 1852, and were married abt 1879 Iowa..they had 7 children. John J. South's parents were: Mark South b 20 jul 1817 Northamptonshire co England died 6 oct ? Polk co Iowa, and mother was Sarah Young b 8 jan 1817 England, they had 8 children..