Blocked

                   marriage record of Hans Peter Jackson and Martha amli in Dunn county couthouse, Menomonie, Wisconsin
Elk Mound Lutheran Chruch Records
Gives age at death as 63.  also has name in record of Martha Amble.  The name amble is believed to be a variant spelling of  amli as is Amle, Amlie, and Ambli
birth year from tomstone  Tomstone has name as Peter H.  tombstone reads:
Jackson
Lawrence H. 1903-1905
Andrew Amble 1837-1906  martha's Father
Herman I. 1908-1909
Minnie A. Lee 1885-1912
(Amalia)
Peter H. 1851-1915
Martha W. 1864-1931
Perhaps ;Martha was apreviously married. I have not seen W. elsewhere and there is a 13 year difference in their ages.
Another set of tomstones in this cemetery may be one of their grandchildren:
Robert E. Jackson
Milddred C.
Aug 29, 1908   Dec 16, 1913
   Momm3 U.S. Navy
World War II