THere is a Trempealeau county rootsweb site with some databases on it,
http://www.rootsweb.com/~witrempe/1910 census index of names
http://www.rootsweb.com/%7Ewitrempe/databases/census/1910/in...The page with G names
http://www.rootsweb.com/%7Ewitrempe/databases/census/1910/g....GJESTRANG William 58 M W Norway Hale Twp 2 141 B
obviously misspelled by the census taker, but helpful to know that if you want to find the family on the 1910 census.
A spotty obituary index
http://www.rootsweb.com/%7Ewitrempe/databases/obituaries/ind...Some birth indices that are pre 1907, perfect for your family time frame
http://www.rootsweb.com/%7Ewitrempe/databases/vitalrecords/i...GJESTRANG Alexander 09 Nov 1888
GJESTVANG Leonhart 21 May 1890
GJESTVANG William M 03 Oct 1886
GJISTVANG Agnes S 23 Aug 1898
But Uffda! The spelling!